Quick Links : The Mindat Manual The Rock H. Currier Digital Library Mindat Newsletter [Free Download]

Home Page About Mindat The Mindat Manual History of Mindat Copyright Status Who We Are Contact Us Advertise on Mindat

Donate to Mindat Corporate Sponsorship Sponsor a Page Sponsored Pages Mindat Advertisers Advertise on Mindat

Learning Center What is a mineral?The most common minerals on earth Information for Educators Mindat Articles The Elements The Rock H. Currier Digital Library Geologic Time Explore Fossils

Minerals by Properties Minerals by Chemistry Mineral Visual Explorer Advanced Locality Search Random Mineral Random Locality Search by minID Localities Near Me Search Articles Search Glossary More Search Options

The Mindat Manual Add a New Photo Rate Photos Locality Edit Report Coordinate Completion Report Add Glossary Item

Mining Companies Statistics Users Mineral Museums Clubs & Organizations Mineral Shows & Events The Mindat Directory Device Settings The Mineral Quiz Time Machine

Photo Search Photo Galleries Search by Color Photo Colour Explorer New Photos Today New Photos Yesterday Members' Photo Galleries Past Photo of the Day Gallery Photography

Brooklyn Mine, Brown's Gulch, San Juan County, Colorado, USA i
Regional Level Types
Brooklyn Mine Mine
Brown's Gulch Gulch
San Juan County County
Colorado State
USA Country

Brooklyn Mine, Brown's Gulch, Red Mountain Mining District, Colorado, USA

Regional Level Types
Brooklyn Mine	Mine
Brown's Gulch	Gulch
San Juan County	County
Colorado	State
USA	Country

This page is currently not sponsored. Click here to sponsor this page.

Photos Maps Search

Standard

All Photos (9)Specimen Photos (8)Locality Photos (1)Photos by Color Gallery Photo Statistics Add Photo

Map Pages Nearest Localities

Mineral Search Similar Localities Nearest Localities Predictive Mineralogy Search Google

Brooklyn Mine

Brooklyn Mine, Brown's Gulch, San Juan County, Colorado, USA

Rhodochrosite, etc.

Brooklyn Mine, Brown's Gulch, San Juan County, Colorado, USA

Native Gold, etc.

Brooklyn Mine, Brown's Gulch, San Juan County, Colorado, USA

Brooklyn Mine

Brooklyn Mine, Brown's Gulch, San Juan County, Colorado, USA

Rhodochrosite, etc.

Brooklyn Mine, Brown's Gulch, San Juan County, Colorado, USA

Native Gold, etc.

Brooklyn Mine, Brown's Gulch, San Juan County, Colorado, USA

Brooklyn Mine

Brooklyn Mine, Brown's Gulch, San Juan County, Colorado, USA

Rhodochrosite, etc.

Brooklyn Mine, Brown's Gulch, San Juan County, Colorado, USA

Latitude & Longitude (WGS84):

37° 51' 38'' North , 107° 42' 53'' West

Latitude & Longitude (decimal):

G#: 9werkuk99

Type:

Köppen climate type:

Dfc : Subarctic climate

Nearest Settlements:

Place	Population	Distance
Silverton	637 (2011)	7.0km
Ophir	169 (2017)	10.3km
Telluride	2,399 (2018)	12.1km
Mountain Village	1,395 (2017)	14.7km
Ouray	1,008 (2017)	18.4km

Mindat Locality ID:

8891

Long-form identifier:

mindat:1:2:8891:9

GUID (UUID V4):

A gold mine located about 6 miles NW of Silverton. Started about 1900 and sporadic ever since. major workings consist of the Richardson gold stope, 1 level & 2 level.

Ref.:
- Rocks & Min.:63:286-287 & 64:144-145.
- Rosemeyer, T. (2002). "History, geology and mineralogy of the Brooklyn mine, San Juan County, Colorado." Rocks & Minerals, 77(3),pp:154-167.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

19 valid minerals.

Detailed Mineral List:

ⓘ Acanthite

Formula: Ag₂S

References:

Rocks & Min.:63:286.

ⓘ Altaite

Formula: PbTe

References:

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

References:

Rocks & Min.:64:144-145.

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

2008 New Mexico Mineral Symposium abstracts

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Coloradoite

Formula: HgTe

References:

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Cosalite

Formula: Pb₂Bi₂S₅

References:

Rocks & Min.:64:144-145.

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

References:

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Galena

Formula: PbS

References:

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Gersdorffite

Formula: NiAsS

References:

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

References:

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ 'Monazite Group'

Formula: REE(PO₄)

References:

Rocks & Min.:64:144-145.

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

Rocks & Min.:64:144-145.

ⓘ Muscovite var. Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

Rocks & Min.:64:144-145.

ⓘ Native Gold

Formula: Au

References:

Rocks & Min.:64:144-145.

2008 New Mexico Mineral Symposium abstracts

ⓘ Native Mercury ?

Formula: Hg

References:

Rocks & Min.:64:144-145.

ⓘ Petzite

Formula: Ag₃AuTe₂

References:

Rocks & Min.:64:144-145.

ⓘ Pyrite

Formula: FeS₂

References:

Rocks & Min.:63:286.

2008 New Mexico Mineral Symposium abstracts

ⓘ Pyrophyllite

Formula: Al₂Si₄O₁₀(OH)₂

References:

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Quartz

Formula: SiO₂

References:

Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.

ⓘ Rhodochrosite

Formula: MnCO₃

References:

Rocks & Min.:64:144-145.

2008 New Mexico Mineral Symposium abstracts

ⓘ Sphalerite

Formula: ZnS

References:

Rocks & Min.:64:144-145.

2008 New Mexico Mineral Symposium abstracts

ⓘ Tetradymite

Formula: Bi₂Te₂S

References:

Rocks & Min.:64:144-145.

Gallery:

FeS₂ⓘ Pyrite

Pyrite, etc.

Brooklyn Mine, Brown's Gulch, San Juan County, Colorado, USA

Pyrite, etc.

Brooklyn Mine, Brown's Gulch, San Juan County, Colorado, USA

Pyrite, etc.

Brooklyn Mine, Brown's Gulch, San Juan County, Colorado, USA

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Gold	1.AA.05	Au
ⓘ	Native Mercury ?	1.AD.05	Hg
Group 2 - Sulphides and Sulfosalts
ⓘ	Acanthite	2.BA.35	Ag₂S
ⓘ	Petzite	2.BA.75	Ag₃AuTe₂
ⓘ	Coloradoite	2.CB.05a	HgTe
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Altaite	2.CD.10	PbTe
ⓘ	Galena	2.CD.10	PbS
ⓘ	Tetradymite	2.DC.05	Bi₂Te₂S
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Gersdorffite	2.EB.25	NiAsS
ⓘ	Cosalite	2.JB.10	Pb₂Bi₂S₅
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Rhodochrosite	5.AB.05	MnCO₃
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
Group 9 - Silicates
ⓘ	Pyrophyllite	9.EC.10	Al₂Si₄O₁₀(OH)₂
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
Unclassified
ⓘ	'Monazite Group'	-	REE(PO₄)
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Pyrophyllite	Al₂Si₄O₁₀(OH)₂
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
C	Carbon
C	ⓘ Rhodochrosite	MnCO₃
O	Oxygen
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Monazite Group	REE(PO₄)
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Pyrophyllite	Al₂Si₄O₁₀(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Rhodochrosite	MnCO₃
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	Fluorine
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Al	Aluminium
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Pyrophyllite	Al₂Si₄O₁₀(OH)₂
Al	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	Silicon
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Pyrophyllite	Al₂Si₄O₁₀(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
P	Phosphorus
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
P	ⓘ Monazite Group	REE(PO₄)
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Acanthite	Ag₂S
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Cosalite	Pb₂Bi₂S₅
S	ⓘ Galena	PbS
S	ⓘ Gersdorffite	NiAsS
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
S	ⓘ Tetradymite	Bi₂Te₂S
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Mn	Manganese
Mn	ⓘ Rhodochrosite	MnCO₃
Fe	Iron
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pyrite	FeS₂
Ni	Nickel
Ni	ⓘ Gersdorffite	NiAsS
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
As	Arsenic
As	ⓘ Gersdorffite	NiAsS
Ag	Silver
Ag	ⓘ Acanthite	Ag₂S
Ag	ⓘ Petzite	Ag₃AuTe₂
Te	Tellurium
Te	ⓘ Altaite	PbTe
Te	ⓘ Coloradoite	HgTe
Te	ⓘ Petzite	Ag₃AuTe₂
Te	ⓘ Tetradymite	Bi₂Te₂S
Au	Gold
Au	ⓘ Native Gold	Au
Au	ⓘ Petzite	Ag₃AuTe₂
Hg	Mercury
Hg	ⓘ Coloradoite	HgTe
Hg	ⓘ Native Mercury	Hg
Pb	Lead
Pb	ⓘ Altaite	PbTe
Pb	ⓘ Cosalite	Pb₂Bi₂S₅
Pb	ⓘ Galena	PbS
Bi	Bismuth
Bi	ⓘ Cosalite	Pb₂Bi₂S₅
Bi	ⓘ Tetradymite	Bi₂Te₂S

Other Regions, Features and Areas containing this locality

North AmericaContinent

Rocky MountainsMountain Range

North America PlateTectonic Plate

Great Plains DomainDomain
Southern Rocky MountainsOrogenic Belt

USA

Colorado
- Red Mountain Mining DistrictMining District
San Juan MountainsMountain Range

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

Quick NavTop Mineral List Other Regions

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 4, 2026 13:34:46 Page updated: August 9, 2025 03:47:37

Go to top of page