Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Colemanite from
Lang Mine, Tick Canyon Borate deposit, Tick Canyon, Lang, Los Angeles County, California, USA


Locality type:Mine
Classification
Species:Colemanite
Formula:Ca[B3O4(OH)3] · H2O
Comments:Occurs as thick and thin seams associated with howlite. Massive crystalline, often divergent, columnar structures. Much material is tinted by included mud.
Colour:Gray
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Howlite
Realgar
Strontianite
Veatchite
Data
Mineral Data:Click here to view Colemanite data
Locality Data:Click here to view Lang Mine, Tick Canyon Borate deposit, Tick Canyon, Lang, Los Angeles County, California, USA
Data Identifiers
Mindat Occurrence Record ID:132157
Long-form Identifier:1:3:132157:9
GUID (UUID V4):0
Nearest other occurrences of Colemanite
5.6km (3.5 miles) ⓘLang, Los Angeles County, California, USA
63.8km (39.7 miles) ⓘUnnamed Borate prospects [2], Ojai, Ventura County, California, USA
72.1km (44.8 miles) ⓘColumbus Mine, Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
72.7km (45.2 miles) ⓘRussell Mine, Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
73.0km (45.4 miles) ⓘUnnamed Borate prospects [1], Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
73.4km (45.6 miles) ⓘFrazier Mine (Frazier Borax Mine), Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
75.1km (46.7 miles) ⓘBitter Creek Borate Workings Mine (Bitter Creek claim; Bitter Crick placer claim; Merrill claim; Comet claim; Climax claim; Gridiron Placer Mining claim; Bueno claim), Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
75.7km (47.0 miles) ⓘRho B, Phelan, East Kramer Borate area (East Kramer Colemanite area), East Kramer Mining District, San Bernardino County, California, USA
76.0km (47.3 miles) ⓘIves tunnel, Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
76.4km (47.5 miles) ⓘStubblefield & Halloway property, Lockwood Valley, Lake of the Woods area, Ventura County Borate Mining District (Stauffer Mining District), Ventura County, California, USA
References
Rocks & Minerals: 11: 156.
Eakle, Arthur Starr (1911), Neocolemanite, a variety of colemanite, and howlite from Lang, Los Angeles County, California: University of California, Department of Geological Science Bulletin: 6: 179
Hutchinson, A. (1912) On the identity of Neocolemanite with Colemanite. Mineralogical Magazine and Journal of the Mineralogical Society, 16 (75) 239-246 doi:10.1180/minmag.1912.016.75.10
Merrill, Frederick James Hamilton (1919), Los Angeles, Orange and Riverside Counties: California Mining Bureau Report 15: 480
Armstrong, V.L. & Edwin V. Van Anringe (1948), Tick Canyon field trip: reprinted from Grieger’s “Encyclopedia and Super-Catalog of the Lapidary and Jewelry Arts,” Pasadena
Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.p.348
Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology: 50: 506-508
Kramer, Henry, Allen, Robert D. (1956) A restudy of bakerite, priceite, and veatchite. American Mineralogist, 41 (9-10) 689-700
Oakeshott, Gordon Blaisdell (1958) Geology and mineral deposits of San Fernando quadrangle, Los Angeles County, California. California Division of Mines Bulletin 172, 147 pp.: 11-12
Masimer, G.E. (1966) Tick Canyon revisited. Gems and Minerals: 347: 22
Pemberton, H. Earl (1968) The minerals of the Sterling borax mine, Los Angeles County, California. Mineral Explorer 3, No. 1, 10 pp.: 4-5
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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