<a href="/photo-1374979.html"><h1>Cuprite, Native Copper, Chrysocolla, Malachite, Tenorite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Closeup photo with 10mm fov. A 348 gram specimen rich in copper and copper oxides from Bullwhacker Mine (Pit) located in the Eastridge area of Butte, Montana. The green color chrysocolla and brecciated quartz matrix has a band of dark red cuprite intermixed with native copper, minor malachite and tenorite. Ex. Chuck Trantham Collection from Al ...</p><p class="copyright">© Daniel. J. Evanich 2024</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Cuprite, Native Copper, Chrysocolla, Malachite, Tenorite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1374977.html"><h1>Cuprite, Native Copper, Chrysocolla, Malachite, Tenorite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Closeup photo with 4.5cm fov. A 348 gram specimen rich in copper and copper oxides from Bullwhacker Mine (Pit) located in the Eastridge area of Butte, Montana. The green color chrysocolla and brecciated quartz matrix has a band of dark red cuprite intermixed with native copper, minor malachite and tenorite. Ex. Chuck Trantham Collection from Al ...</p><p class="copyright">© Daniel. J. Evanich 2024</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Cuprite, Native Copper, Chrysocolla, Malachite, Tenorite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1284978.html"><h1>Djurleite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Thin, hexagonal-shaped, djurleite crystals stacked upon one another. No specific mine, Old Lidstrom's label just stated "Butte, Montana."</p><p class="copyright">© Daniel Evanich 2023</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Djurleite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1374980.html"><h1>Cuprite, Native Copper, Chrysocolla, Malachite, Tenorite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Closeup photo showing botryoidal green chrysocolla with 10mm fov. A 348 gram specimen rich in copper and copper oxides from Bullwhacker Mine (Pit) located in the Eastridge area of Butte, Montana. The green color chrysocolla and brecciated quartz matrix has a band of dark red cuprite intermixed with native copper, minor malachite and tenorite. ...</p><p class="copyright">© Daniel. J. Evanich 2024</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Cuprite, Native Copper, Chrysocolla, Malachite, Tenorite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1595564.html"><h1>Chalcocite, Bornite, Chalcopyrite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Chalcocite crystals with numerous black color botryoidal bornite/chalcopyrite groups of microcrystals topping the bottom half of the specimen. Largest single chalcocite crystal measures 1.4cm at its widest. Ex. Kitty's Copper Shop, Butte, Montana.</p><p class="copyright">© Daniel Evanich 2025</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Chalcocite, Bornite, Chalcopyrite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1117319.html"><h1>Chlorargyrite, Quartz, Native Silver</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Sharp cubes of waxy, tan color chlorargyrite crystals with high luster faces in a matrix of mostly darker brown granular chlorargyrite and remnant quartz. Native silver not seen here also present. Ex. Chet Lemanski Collection. Specimen characteristics closely fit the descriptions for the silver mineralogy at the Nettie and Philadelphia Mines ...</p><p class="copyright">© Daniel. J. Evanich 2021</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Chlorargyrite, Quartz, Native Silver

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1123057.html"><h1>Malachite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>This photo shows a green malachite scale deposit on the inside of a 1" diameter copper pipe. The sample came from a reconstruction project in the East Ridge area of greater Butte, Montana. The pipe had been in place for about 35 years until salvaged in 2020. Regarding water quality concerns in the Butte District, following is a quote from ...</p><p class="copyright">© Daniel Evanich 2021</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Malachite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1374976.html"><h1>Cuprite, Native Copper, Chrysocolla, Malachite, Tenorite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>A specimen, rich in copper and copper oxides from Bullwhacker Mine (Pit) located in the Eastridge area of Butte, Montana. The green color chrysocolla and brecciated quartz matrix has a band of dark red cuprite intermixed with native copper, minor malachite and tenorite. Ex. Chuck Trantham Collection from Al McGuinness circa 1970's. See additional ...</p><p class="copyright">© Daniel. J. Evanich 2024</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Cuprite, Native Copper, Chrysocolla, Malachite, Tenorite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1123059.html"><h1>Malachite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>This photo shows a green malachite scale deposit on the inside of a 1" diameter copper pipe. The sample came from a reconstruction project in the East Ridge area of greater Butte, Montana. The pipe had been in place for about 35 years until salvaged in 2020. Regarding water quality concerns in the Butte District, following is a quote from ...</p><p class="copyright">© Daniel Evanich 2021</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Malachite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1130483.html"><h1>Djurleite, Enargite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Silver-grey color, somewhat granular in appearance example of microcrystalline djurleite. The right hand side of the photo shows the top of a crude prism crystal on well-defined enargite crystals. Second photo shows close up of the crystal outline. Ex. Chuck Trantham Collection from Al McGuinness in 1984. From Leonard Mine, Butte, Montana.</p><p class="copyright">© Daniel Evanich 2021</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Djurleite, Enargite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1411882.html"><h1>Rhodochrosite, Quartz</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Rhodochrosite rhombohedral crystals draped on a terminated quartz crystal. Emma Mine, Butte, Montana.</p><p class="copyright">© Daniel Evanich 2024</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Rhodochrosite, Quartz

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1130484.html"><h1>Djurleite, Enargite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Silver-grey color, somewhat granular in appearance example of microcrystalline djurleite. The right hand side of the photo shows the top of a crude prism crystal on well-defined enargite crystals. This second photo shows close up of the crystal outline. Ex. Chuck Trantham Collection from Al McGuinness in 1984. From Leonard Mine, Butte, Montana.</p><p class="copyright">© Daniel Evanich 2021</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Djurleite, Enargite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-739622.html"><h1>Chalcocite, Bornite, Pyrite, Brochantite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>The specimen shown is a wonderful example of the high grade copper ore from Butte, Montana, back in the peak mining period of the 1950's. It has one saw cut surface to show the mineral assemblage. Species include chalcocite and bornite (the main copper ore) with embedded pyrite crystals. One surface has a coating of green brochantite micro ...</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Chalcocite, Bornite, Pyrite, Brochantite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1066453.html"><h1>Chalcopyrite, Quartz</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Isolated iridescent chalcopyrite crystals on quartz. Ex. Chuck Trantham Collection #CIT/M, P/X, 185. Label states "Chalcopyrite on Quartz, Butte, Montana. Acquired 9 June, 1969 from Stock's (Rock Shop), Helena, Montana. Cost $1." One of Chuck's earlier personal collection specimens.</p><p class="copyright">© Daniel J Evanich 2020</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Chalcopyrite, Quartz

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1101750.html"><h1>Native Silver, Chlorargyrite, Quartz</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Native silver in a matrix of waxy brown chlorargyrite and remnant quartz. Ex. Chet Lemanski Collection. Specimen characteristics closely fit the descriptions for the silver mineralogy at the Nettie and Philadelphia Mines located in the Western Zone of the silver producing areas of Butte (Geology and Ore Deposits of Butte, Montana. PP74, Weed, ...</p><p class="copyright">© Daniel. J. Evanich 2020</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Native Silver, Chlorargyrite, Quartz

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1101752.html"><h1>Native Silver, Chlorargyrite, Quartz</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>A mass of brown chlorargyrite with native silver and remnant quartz. Ex. Chet Lemanski Collection. Specimen characteristics closely fit the descriptions for the silver mineralogy at the Nettie and Philadelphia Mines located in the Western Zone of the silver producing areas of Butte (Geology and Ore Deposits of Butte, Montana. PP74, Weed, 1912).</p><p class="copyright">© Daniel. J. Evanich 2020</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Native Silver, Chlorargyrite, Quartz

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1101753.html"><h1>Native Silver, Chlorargyrite, Quartz</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>A mass of brown chlorargyrite with native silver and remnant quartz. Ex. Chet Lemanski Collection. Specimen characteristics closely fit the descriptions for the silver mineralogy at the Nettie and Philadelphia Mines located in the Western Zone of the silver producing areas of Butte (Geology and Ore Deposits of Butte, Montana. PP74, Weed, 1912).</p><p class="copyright">© Daniel. J. Evanich 2020</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Native Silver, Chlorargyrite, Quartz

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1117318.html"><h1>Chlorargyrite, Quartz, Native Silver</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Sharp cubes of waxy, tan color chlorargyrite crystals with high luster faces in a matrix of mostly darker brown granular chlorargyrite and remnant quartz. Native silver not seen here also present. Ex. Chet Lemanski Collection. Specimen characteristics closely fit the descriptions for the silver mineralogy in the region of the Nettie and ...</p><p class="copyright">© Daniel. J. Evanich 2021</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Chlorargyrite, Quartz, Native Silver

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-924935.html"><h1>Djurleite</h1><h2>Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Djurleite crystals on typical sulfide matrix from Leonard Mine in historic Butte, Montana. The main crystal group measures 1cm wide. Ex. Claude Huber Collection.</p><p class="copyright">© Daniel Evanich 2018</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Djurleite

Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-924936.html"><h1>Djurleite</h1><h2>Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Djurleite crystals on typical sulfide matrix from Leonard Mine in historic Butte, Montana. The main crystal group measures 1cm wide. Ex. Claude Huber Collection.</p><p class="copyright">© Daniel Evanich 2018</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Djurleite

Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1030539.html"><h1>Pyrite, Quartz</h1><h2>Lexington Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A superb example of two species that were once considered common from the mines of Butte, Montana: Rare (from Butte) cubic pyrite crystals with Quartz. Circa 1950's-1960's. Ex. Charles Kreuger, A.L. McGuinness, and C.I. Trantham Collections. Gift from Chuck Trantham in 2016.</p><p class="copyright">© Daniel Evanich 2020</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Pyrite, Quartz

Lexington Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-930087.html"><h1>Cuprite, Chrysocolla, Malachite</h1><h2>Bullwhacker Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A cabinet size 4-1/2" wide (12cm) specimen of bright red cuprite with a rind of blue-green chrysocolla and minor green malachite. The large open cavity in the cuprite is covered with micro crystals throughout and 'shattered quartz' remnants (see additional photos for closeup images). The finest example of cuprite I have seen from the mines of ...</p><p class="copyright">© Daniel Evanich 2019</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Cuprite, Chrysocolla, Malachite

Bullwhacker Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1101751.html"><h1>Native Silver, Chlorargyrite, Quartz</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Highly reflective native silver on brown chlorargyrite with remnant quartz. Ex. Chet Lemanski Collection. Specimen characteristics closely fit the descriptions for the silver mineralogy at the Nettie and Philadelphia Mines located in the Western Zone of the silver producing areas of Butte (Geology and Ore Deposits of Butte, Montana. PP74, ...</p><p class="copyright">© Daniel. J. Evanich 2020</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Native Silver, Chlorargyrite, Quartz

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-930088.html"><h1>Cuprite, Chrysocolla, Malachite</h1><h2>Bullwhacker Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A cabinet size 4-1/2" wide (12cm) specimen of bright red cuprite with a rind of blue-green chrysocolla and minor green malachite. The large open cavity in the cuprite is covered with micro crystals throughout and 'shattered quartz' remnants (see additional photos for closeup images). The finest example of cuprite I have seen from the mines of ...</p><p class="copyright">© Daniel Evanich 2019</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Cuprite, Chrysocolla, Malachite

Bullwhacker Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-930089.html"><h1>Cuprite, Chrysocolla, Malachite</h1><h2>Bullwhacker Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A cabinet size 4-1/2" wide (12cm) specimen of bright red cuprite with a rind of blue-green chrysocolla and minor green malachite. The large open cavity in the cuprite is covered with micro crystals throughout and 'shattered quartz' remnants (see additional photos for closeup images). The finest example of cuprite I have seen from the mines of ...</p><p class="copyright">© Daniel Evanich 2019</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Cuprite, Chrysocolla, Malachite

Bullwhacker Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1325668.html"><h1>Black manganese stained mine dumps near the site of the old Burlington Mine, Butte, MT</h1><h2>Burlington Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Dan E. digging through the manganese oxide blackened dumps near the site of the Burlington Mine (in the old Independence Mining District) located along Blue Bird Trail in West Butte, Montana in search of rhodochrosite specimens. Photo by Barb Matz 2023.</p><p class="copyright">© Barbara Matz 2023</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Black manganese stained mine dumps near the site of the old Burlington Mine, Butte, MT

Burlington Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-930090.html"><h1>Cuprite, Chrysocolla, Malachite</h1><h2>Bullwhacker Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Cuprite crystals with quartz remants in open cavity area of specimen. 8mm fov.

A cabinet size specimen of bright red cuprite with a rind of blue-green chrysocolla and minor green malachite. The large open cavity in the cuprite is covered with micro crystals throughout and 'shattered quartz' remnants (see additional photos for closeup ...</p><p class="copyright">© Daniel Evanich 2019</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Cuprite, Chrysocolla, Malachite

Bullwhacker Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-930091.html"><h1>Cuprite, Chrysocolla, Malachite</h1><h2>Bullwhacker Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Blue-green chrysocolla with green malachite in small vug of main specimen. FOV 6mm.

A cabinet size specimen of bright red cuprite with a rind of blue-green chrysocolla and minor green malachite. The large open cavity in the cuprite is covered with micro crystals throughout and 'shattered quartz' remnants (see additional photos for closeup ...</p><p class="copyright">© Daniel Evanich 2019</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Cuprite, Chrysocolla, Malachite

Bullwhacker Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-763839.html"><h1>Digenite, Enargite</h1><h2>Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A well-formed isolated digenite crystal on enargite from The Leonard Mine in Butte, Montana.
Ex. Ralph Merrill Collection from Ed McDole in 1955.</p><p class="copyright">© Daniel Evanich 2016</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Digenite, Enargite

Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-863962.html"><h1>Enargite, Pyrite</h1><h2>East Colusa Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>The enargite crystals shown in these photos can be described as "interpenetrating pseudohexagonal triplets." Or, "pseudohexagonal trillings." In any case, this form has been noted before (Paul Ramdohr, The Ore Minerals and Their Intergrowths, (1969) mentions “pseudohexagonal triplets” from Bor, Serbia). This is the only example of this habit ...</p><p class="copyright">© Daniel Evanich 2018</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Enargite, Pyrite

East Colusa Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-863963.html"><h1>Enargite, Pyrite</h1><h2>East Colusa Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>The enargite crystals shown in these photos can be described as "interpenetrating pseudohexagonal triplets." Or, "pseudohexagonal trillings." In any case, this form has been noted before (Paul Ramdohr, The Ore Minerals and Their Intergrowths, (1969) mentions “pseudohexagonal triplets” from Bor, Serbia). This is the only example I have ever ...</p><p class="copyright">© Daniel Evanich 2018</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Enargite, Pyrite

East Colusa Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-863964.html"><h1>Enargite, Pyrite</h1><h2>East Colusa Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>The enargite crystals shown in these photos can be described as "interpenetrating pseudohexagonal triplets." Or, "pseudohexagonal trillings." In any case, this form has been noted before (Paul Ramdohr, The Ore Minerals and Their Intergrowths, (1969) mentions “pseudohexagonal triplets” from Bor, Serbia). This is the only example I have ever ...</p><p class="copyright">© Daniel Evanich 2018</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Enargite, Pyrite

East Colusa Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-877920.html"><h1>Chalcocite, Tennantite Subgroup</h1><h2>Badger Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A well-defined group of chalcocite crystals coated with micro tennantite crystals. Minor green malachite can be seen on the tennantite layer in addition to a single pyrite crystal. Old label (additional photos) notes specific locality as "3400' Level, Badger State Mine, Butte, Montana." Ex. Fred Meissner Collection.</p><p class="copyright">© Daniel Evanich 2018</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Chalcocite, Tennantite Subgroup

Badger Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-877924.html"><h1>Chalcocite, Tennantite Subgroup</h1><h2>Badger Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A well-defined group of chalcocite crystals coated with micro tennantite crystals. Minor green malachite can be seen on the tennantite layer in addition to a single pyrite crystal. Old label (additional photos) notes specific locality as "3400' Level, Badger State Mine, Butte, Montana." Ex. Fred Meissner Collection.</p><p class="copyright">© Daniel Evanich 2018</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Chalcocite, Tennantite Subgroup

Badger Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-877926.html"><h1>Chalcocite, Tennantite Subgroup</h1><h2>Badger Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A well-defined group of chalcocite crystals coated with micro tennantite crystals. Minor green malachite can be seen on the tennantite layer in addition to a single pyrite crystal. Old label (additional photos) notes specific locality as "3400' Level, Badger State Mine, Butte, Montana." Ex. Fred Meissner Collection.</p><p class="copyright">© Daniel Evanich 2018</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Chalcocite, Tennantite Subgroup

Badger Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-757941.html"><h1>Acanthite</h1><h2>Walkerville, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A compact "flattened" group of acanthite crystals from Walkerville, located in the Northern silver zone of the Butte, Montana mining district. Pseudo-cubic crystal form can be seen in the additional closeup photos here.</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Acanthite

Walkerville, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-747293.html"><h1>Fluorite</h1><h2>Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A small 2.2cm thumbnail size example of naturally etched purple fluorite cubes from the Tramway Mine, Butte, Montana. Sulfide remnants and a few quartz points remain on the bottom of the specimen at the point of detachment (not visible here). Fluorite occurrence has been documented throughout the mines of the Butte District, often lavender or ...</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Fluorite

Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-757940.html"><h1>Acanthite</h1><h2>Walkerville, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A compact "flattened" group of acanthite crystals from Walkerville, located in the Northern silver zone of the Butte, Montana mining district. Pseudo-cubic crystal form can be seen in the additional closeup photos here.</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Acanthite

Walkerville, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-741742.html"><h1>Tennantite Subgroup</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>An old collection example of tennantite from the mines of Butte, Montana. Well formed, sharp crystals. XRD confirms tennantite not tetrahedrite as old label states. Ex., Alvin V. Filer Collection. Overall size about 5.5cm x 3.0cm x 1.3cm. Largest individual crystal is about 8mm wide.</p><p class="copyright">© Dan Evanich 2016</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Tennantite Subgroup

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-747300.html"><h1>Enargite, Chalcopyrite, Tennantite Subgroup</h1><h2>Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Shown is an example of multi-colored iridescent chalcopyrite replacing (psedomorphing) enargite crystals from the Tramway Mine, Butte, Montana. Tennantite is also present as a late forming species. You can still see the outlines of several blocky enargite crystals. Size is about 4.5cm x 2.5cm x 2.0cm,</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Enargite, Chalcopyrite, Tennantite Subgroup

Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-747291.html"><h1>Colusite, Enargite</h1><h2>Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A rich example of massive colusite and enargite from Tramway Mine in Butte, Montana. Colusite is the only type-locality mineral found to date from Butte. Additional sulfide minerals are likely present in this specimen. Mined in 1942 by a sampler named</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Colusite, Enargite

Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-747298.html"><h1>Enargite, Chalcopyrite, Tennantite Subgroup</h1><h2>Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Shown is an example of multi-colored iridescent chalcopyrite replacing (psedomorphing) enargite crystals from the Tramway Mine, Butte, Montana. Tennantite is also present as a late forming species. You can still see the outlines of several blocky enargite crystals. Size is about 4.5cm x 2.5cm x 2.0cm,</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Enargite, Chalcopyrite, Tennantite Subgroup

Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-747297.html"><h1>Siderite, Quartz, Pyrite, Sphalerite</h1><h2>Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>The specimen shown is an example of mangano-siderite or possibly iron-rich rhodochrosite from Tramway Mine, Butte, Montana. Small tan colored rhombohedral crystals almost completely surround four single standing quartz crystal points on a base matrix of darker sphalerite. Minor pyrite is visible. Specimen measures about 4.0cm x 2.8cm x 2.8cm.</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Siderite, Quartz, Pyrite, Sphalerite

Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-747290.html"><h1>Colusite, Enargite</h1><h2>Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A rich example of massive colusite and enargite from Tramway Mine in Butte, Montana. Colusite is the only type-locality mineral found to date from Butte. Additional sulfide minerals are likely present in this specimen. Mined in 1942 by a sampler named "Carpenter". See additional photo. 12cm x 8cm x 6cm. 762 grams.</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Colusite, Enargite

Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-747296.html"><h1>Siderite, Quartz, Pyrite, Sphalerite</h1><h2>Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>The specimen shown is an example of mangano-siderite from Tramway Mine, Butte, Montana. Small tan colored rhombohedral crystals almost completely surround four single standing quartz crystal points on a base matrix of darker sphalerite. Minor pyrite is visible. Specimen measures about 4.0cm x 2.8cm x 2.8cm.</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Siderite, Quartz, Pyrite, Sphalerite

Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-740334.html"><h1>Pearceite</h1><h2>Goldsmith Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA</h2><p>The specimen shown is pearceite, a silver sulfosalt, from the Goldsmith Mine, Butte, Montana. The Goldsmith was one of the earliest mines established in the Walkerville (greater Butte) area of the northern silver zone. The largest crystal in this complex appears to be about 3cm wide. See additional photos. Overall size is about 4cm x 4cm x ...</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Pearceite

Goldsmith Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-747295.html"><h1>Fluorite</h1><h2>Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A small 2.2cm thumbnail size example of naturally etched purple fluorite cubes from the Tramway Mine, Butte, Montana. Sulfide remnants and a few quartz points remain on the bottom of the specimen at the point of detachment (not visible here). Fluorite occurrence has been documented throughout the mines of the Butte District, often lavender or ...</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Fluorite

Tramway Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-745859.html"><h1>Hinsdalite, Enargite, Quartz</h1><h2>Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A rosette-like cluster of white hexagonal tabular hinsdalite crystals rests on a quartz crystal. Other species present include enargite, pyrite, and djurleite. Specimen is from the Leonard Mine, Butte, Montana. 5mm FOV.</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Hinsdalite, Enargite, Quartz

Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-712215.html"><h1>Calcite, Bornite</h1><h2>Kelley Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Double terminated large calcite crystal with massive bornite from Kelley Mine, Butte, Montana. Calcite crystals are not considered common from Butte, this one being exceptionally large at 9.5cm (3-3/4"). Ex., Bob Trimingham Collection from David New.</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Calcite, Bornite

Kelley Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-745857.html"><h1>Hinsdalite, Enargite, Quartz</h1><h2>Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A rosette-like cluster of white hexagonal tabular hinsdalite crystals rests on a quartz crystal. Other species present include enargite, pyrite, and djurleite. Specimen is from the Leonard Mine, Butte, Montana. 5mm FOV.</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Hinsdalite, Enargite, Quartz

Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-757942.html"><h1>Acanthite</h1><h2>Walkerville, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A compact "flattened" group of acanthite crystals from Walkerville, located in the Northern silver zone of the Butte, Montana mining district. Pseudo-cubic crystal form can be seen in the additional closeup photos here. 8mm FOV on this photo.</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Acanthite

Walkerville, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-741744.html"><h1>Tennantite Subgroup</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>An old collection example of tennantite from the mines of Butte, Montana. Well formed, sharp crystals. XRD confirmed tennantite. Old label is incorrect stating tetrahedrite. Ex., Alvin V. Filer Collection. Overall size about 5.5cm x 3.0cm x 1.3cm. Largest individual crystal is about 8mm wide.</p><p class="copyright">© Dan Evanich 2016</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Tennantite Subgroup

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-741743.html"><h1>Tennantite Subgroup</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>An old collection example of tennantite from the mines of Butte, Montana. Well formed, sharp crystals. Ex., Alvin V. Filer Collection. Overall size about 5.5cm x 3.0cm x 1.3cm. Largest individual crystal is about 8mm wide.</p><p class="copyright">© Dan Evanich 2016</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Tennantite Subgroup

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-741620.html"><h1>Pearceite</h1><h2>Goldsmith Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA</h2><p>The specimen shown is pearceite, a silver sulfosalt, from the Goldsmith Mine, Butte, Montana. The Goldsmith was one of the earliest mines established in the Walkerville (greater Butte) area of the northern silver zone. The largest crystal in this complex appears to be about 3cm wide. See additional photos. Overall size is about 4cm x 4cm x ...</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Pearceite

Goldsmith Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-739625.html"><h1>Chalcocite, Bornite, Pyrite, Brochantite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>The specimen shown is a wonderful example of the high grade copper ore from Butte, Montana, back in the peak mining period of the 1950's. It has one saw cut surface to show the mineral assemblage. Species include chalcocite and bornite (the main copper ore) with embedded pyrite crystals. One surface has a coating of green brochantite micro ...</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Chalcocite, Bornite, Pyrite, Brochantite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-740335.html"><h1>Pearceite</h1><h2>Goldsmith Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA</h2><p>The specimen shown is pearceite, a silver sulfosalt, from the Goldsmith Mine, Butte, Montana. The Goldsmith was one of the earliest mines established in the Walkerville (greater Butte) area of the northern silver zone. The largest crystal in this complex appears to be about 3cm wide. See additional photos. Overall size is about 4cm x 4cm x ...</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Pearceite

Goldsmith Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1030538.html"><h1>Pyrite, Quartz</h1><h2>Lexington Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A superb example of two species that were once considered common from the mines of Butte, Montana: Rare (from Butte) cubic pyrite crystals with Quartz. Circa 1950's-1960's. Ex. Charles Kreuger, A.L. McGuinness, and C.I. Trantham Collections. Gift from Chuck Trantham to me in 2016.</p><p class="copyright">© Daniel Evanich 2020</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Pyrite, Quartz

Lexington Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-739624.html"><h1>Chalcocite, Bornite, Pyrite, Brochantite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>The specimen shown is a wonderful example of the high grade copper ore from Butte, Montana, back in the peak mining period of the 1950's. It has one saw cut surface to show the mineral assemblage. Species include chalcocite and bornite (the main copper ore) with embedded pyrite crystals. One surface has a coating of green brochantite micro ...</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Chalcocite, Bornite, Pyrite, Brochantite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-739623.html"><h1>Chalcocite, Bornite, Pyrite, Brochantite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>The specimen shown is a wonderful example of the high grade copper ore from Butte, Montana, back in the peak mining period of the 1950's. It has one saw cut surface to show the mineral assemblage. Species include chalcocite and bornite (the main copper ore) with embedded pyrite crystals. One surface has a coating of green brochantite micro ...</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Chalcocite, Bornite, Pyrite, Brochantite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-740333.html"><h1>Pearceite</h1><h2>Goldsmith Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA</h2><p>The specimen shown is pearceite, a silver sulfosalt, from the Goldsmith Mine, Butte, Montana. The Goldsmith was one of the earliest mines established in the Walkerville (greater Butte) area of the northern silver zone. The largest crystal in this complex appears to be about 3cm wide. See additional photos. Overall size is about 4cm x 4cm x ...</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Pearceite

Goldsmith Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-712217.html"><h1>Calcite, Bornite</h1><h2>Kelley Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Double terminated large calcite crystal with massive bornite from Kelley Mine, Butte, Montana. Calcite crystals are not considered common from Butte, this one being exceptionally large at 9.5cm (3-3/4</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Calcite, Bornite

Kelley Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1327320.html"><h1>Covellite</h1><h2>Kelley Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>A two inch (5.5cm) thick vein section of foliated covellite with minor digenite and pyrite. Specimen weighs 7lbs., 3oz. (3262g). Saved from an old lapidary collection destined for the trash dumpster in 2023. Old handwritten tape label stating "Anaconda Mine, Butte, Montana."</p><p class="copyright">© Dan Evanich 2023</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Covellite

Kelley Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-712211.html"><h1>Stilbite Subgroup, Heulandite Subgroup, Pyrite</h1><h2>Lexington Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Multiple groups of flat sheaf-like stilbite crystals rest on white heulandite crystals, all on a pyrite and quartz matrix from Lexington Mine in Walkerville (Butte), Montana. Ex., Joyce Family Collection. Overall dimensions are 8.0cm x 4.0cm x 4.0cm.</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Stilbite Subgroup, Heulandite Subgroup, Pyrite

Lexington Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-712210.html"><h1>Stilbite Subgroup, Heulandite Subgroup, Pyrite</h1><h2>Lexington Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Multiple groups of flat sheaf-like stilbite crystals rest on white heulandite crystals, all on a pyrite and quartz matrix from Lexington Mine in Walkerville (Butte), Montana. Ex., Joyce Family Collection. Overall dimensions are 8.0cm x 4.0cm x 4.0cm.</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Stilbite Subgroup, Heulandite Subgroup, Pyrite

Lexington Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-712208.html"><h1>Rhodochrosite, Siderite, Galena, Pyrite</h1><h2>Lexington Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Rhodochrosite crystals covered with tan color siderite on a galena and pyrite matrix from the Lexington Mine, Walkerville (Butte), Montana. Ex., Bob Trimingham Collection. Specimen dimensions are 8.0cm x 5.0cm x 5.0cm.</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Rhodochrosite, Siderite, Galena, Pyrite

Lexington Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-733090.html"><h1>Betekhtinite</h1><h2>Steward Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Long, slender, charcoal gray needle-like betekhtinite crystals in a digenite-chalcocite matrix from 3800' level of Steward Mine in Butte, Montana.</p><p class="copyright">© Dan Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Betekhtinite

Steward Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-712206.html"><h1>Rhodochrosite, Siderite, Galena, Pyrite</h1><h2>Lexington Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Rhodochrosite crystals covered with tan color siderite on a galena and pyrite matrix from the Lexington Mine, Walkerville (Butte), Montana. Ex., Bob Trimingham Collection. Specimen dimensions are 8.0cm x 5.0cm x 5.0cm.</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Rhodochrosite, Siderite, Galena, Pyrite

Lexington Mine, Walkerville, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1603634.html"><h1>Covellite</h1><h2>Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Iridescent blue covellite crystal group from Piccolo Vein, 3200' Level, Leonard Mine, Butte, Montana. Collected in May, 1942 (see additional label photo). Ex. Murl H. Gidel Ore Collection.</p><p class="copyright">© Daniel Evanich 2025</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Covellite

Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-1374978.html"><h1>Cuprite, Native Copper, Chrysocolla, Malachite, Tenorite</h1><h2>Butte Mining District, Silver Bow County, Montana, USA</h2><p>Closeup photo with 15mm fov. A 348 gram specimen rich in copper and copper oxides from Bullwhacker Mine (Pit) located in the Eastridge area of Butte, Montana. The green color chrysocolla and brecciated quartz matrix has a band of dark red cuprite intermixed with native copper, minor malachite and tenorite. Ex. Chuck Trantham Collection from Al ...</p><p class="copyright">© Daniel. J. Evanich 2024</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Cuprite, Native Copper, Chrysocolla, Malachite, Tenorite

Butte Mining District, Silver Bow County, Montana, USA

<a href="/photo-712216.html"><h1>Calcite, Bornite</h1><h2>Kelley Mine, Butte Mining District, Silver Bow County, Montana, USA</h2><p>Double terminated large calcite crystal with massive bornite from Kelley Mine, Butte, Montana. Calcite crystals are not considered common from Butte, this one being exceptionally large at 9.5cm (3-3/4</p><p class="copyright">© Daniel Evanich</p><p class="clickhere">Click here to view photo page on mindat.org</p></a>

Calcite, Bornite

Kelley Mine, Butte Mining District, Silver Bow County, Montana, USA