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

Ingram mine (Valley Forge Occurrence; Critic and Railroad Boy; Sunshine; Three Brothers; Atchison; Belle; Golden Eagle; Melvina; Baron; Richmond), Gold Hill Mining District, Boulder County, Colorado, USA i
Regional Level Types
Ingram mine (Valley Forge Occurrence; Critic and Railroad Boy; Sunshine; Three Brothers; Atchison; Belle; Golden Eagle; Melvina; Baron; Richmond) Mine
Gold Hill Mining District Mining District
Boulder County County
Colorado State
USA Country

Regional Level Types
Ingram mine (Valley Forge Occurrence; Critic and Railroad Boy; Sunshine; Three Brothers; Atchison; Belle; Golden Eagle; Melvina; Baron; Richmond)	Mine
Gold Hill Mining District	Mining District
Boulder County	County
Colorado	State
USA	Country

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

Photos Maps Search

Standard

Specimen Photos (2)Photos by Color Add Photo

Map Pages Nearest Localities

Mineral Search Similar Localities Nearest Localities Predictive Mineralogy Search Google

Hessite

Ingram mine, Gold Hill Mining District, Boulder County, Colorado, USA

Sylvanite

Ingram mine, Gold Hill Mining District, Boulder County, Colorado, USA

Hessite

Ingram mine, Gold Hill Mining District, Boulder County, Colorado, USA

Sylvanite

Ingram mine, Gold Hill Mining District, Boulder County, Colorado, USA

Hessite

Ingram mine, Gold Hill Mining District, Boulder County, Colorado, USA

Sylvanite

Ingram mine, Gold Hill Mining District, Boulder County, Colorado, USA

Latitude & Longitude (WGS84):

40° 3' 7'' North , 105° 23' 12'' West

Latitude & Longitude (decimal):

G#: 9xj5cg5z2

Type:

Köppen climate type:

BSk : Cold semi-arid (steppe) climate

Nearest Settlements:

Place	Population	Distance
Sunshine	230 (2011)	2.3km
Gold Hill	230 (2011)	2.3km
Crisman	186 (2011)	2.5km
Mountain Meadows	274 (2011)	3.2km
Sugarloaf	261 (2011)	4.3km

Nearest Clubs:
Local clubs are the best way to get access to collecting localities

Club	Location	Distance
Flatirons Mineral Club	Boulder, Colorado	11km
Mile High Rock and Mineral Society	Arvada, Colorado	38km
Colorado Mineral Society	Lakewood, Colorado	47km
Denver Gem and Mineral Guild	Denver, Colorado	49km
Friends of Mineralogy - Colorado Chapter	Denver, Colorado	49km

Mindat Locality ID:

110587

Long-form identifier:

mindat:1:2:110587:5

GUID (UUID V4):

REF:Deposit:: LOVERING AND GODDARD, 1950, USGS P. P. 223, PL 23
Deposit:: CONSV. DIV. COMP. DATE, 10,62
Commodities (Major) - Gold
Development Status: Occurrence

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Gold

Mineral List

18 valid minerals.

Detailed Mineral List:

ⓘ Ankerite

Formula: Ca(Fe²⁺,Mg)(CO₃)₂

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

ⓘ Calaverite

Formula: AuTe₂

References:

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

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

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.

ⓘ Galena

Formula: PbS

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

ⓘ Hessite

Formula: Ag₂Te

References:

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

ⓘ Melonite

Formula: NiTe₂

References:

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

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

ⓘ Muscovite var. Sericite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

ⓘ Nagyágite

Formula: [Pb₃(Pb,Sb)₃S₆](Au,Te)₃

References:

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

ⓘ Native Gold

Formula: Au

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Native Tellurium

Formula: Te

References:

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

ⓘ Petzite

Formula: Ag₃AuTe₂

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

ⓘ Pyrargyrite

Formula: Ag₃SbS₃

References:

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

ⓘ Pyrite

Formula: FeS₂

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

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

ⓘ Quartz

Formula: SiO₂

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

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

ⓘ Rhodochrosite

Formula: MnCO₃

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

ⓘ Sphalerite

Formula: ZnS

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

ⓘ Sylvanite

Formula: AgAuTe₄

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

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

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S

References:

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Gold	1.AA.05	Au
ⓘ	Native Tellurium	1.CC.10	Te
Group 2 - Sulphides and Sulfosalts
ⓘ	Hessite	2.BA.60	Ag₂Te
ⓘ	Petzite	2.BA.75	Ag₃AuTe₂
ⓘ	Coloradoite	2.CB.05a	HgTe
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Galena	2.CD.10	PbS
ⓘ	Sylvanite	2.EA.05	AgAuTe₄
ⓘ	Calaverite	2.EA.10	AuTe₂
ⓘ	Melonite	2.EA.20	NiTe₂
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Pyrargyrite	2.GA.05	Ag₃SbS₃
ⓘ	'Tetrahedrite Subgroup'	2.GB.05	Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S
ⓘ	Nagyágite	2.HB.20a	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Rhodochrosite	5.AB.05	MnCO₃
ⓘ	Ankerite	5.AB.10	Ca(Fe²⁺,Mg)(CO₃)₂
Group 9 - Silicates
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
C	Carbon
C	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
C	ⓘ Rhodochrosite	MnCO₃
O	Oxygen
O	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Rhodochrosite	MnCO₃
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Mg	Magnesium
Mg	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Al	Aluminium
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	Silicon
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
S	Sulfur
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Galena	PbS
S	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
S	ⓘ Pyrargyrite	Ag₃SbS₃
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
S	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
K	Potassium
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Mn	Manganese
Mn	ⓘ Rhodochrosite	MnCO₃
Fe	Iron
Fe	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pyrite	FeS₂
Ni	Nickel
Ni	ⓘ Melonite	NiTe₂
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Ag	Silver
Ag	ⓘ Hessite	Ag₂Te
Ag	ⓘ Petzite	Ag₃AuTe₂
Ag	ⓘ Pyrargyrite	Ag₃SbS₃
Ag	ⓘ Sylvanite	AgAuTe₄
Sb	Antimony
Sb	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Sb	ⓘ Pyrargyrite	Ag₃SbS₃
Sb	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Te	Tellurium
Te	ⓘ Calaverite	AuTe₂
Te	ⓘ Coloradoite	HgTe
Te	ⓘ Hessite	Ag₂Te
Te	ⓘ Melonite	NiTe₂
Te	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Te	ⓘ Petzite	Ag₃AuTe₂
Te	ⓘ Sylvanite	AgAuTe₄
Te	ⓘ Native Tellurium	Te
Au	Gold
Au	ⓘ Calaverite	AuTe₂
Au	ⓘ Native Gold	Au
Au	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃
Au	ⓘ Petzite	Ag₃AuTe₂
Au	ⓘ Sylvanite	AgAuTe₄
Hg	Mercury
Hg	ⓘ Coloradoite	HgTe
Pb	Lead
Pb	ⓘ Galena	PbS
Pb	ⓘ Nagyágite	[Pb₃(Pb,Sb)₃S₆](Au,Te)₃

Other Regions, Features and Areas containing this locality

North AmericaContinent

Rocky MountainsMountain Range

North America PlateTectonic Plate

Great Plains DomainDomain
Southern Rocky MountainsOrogenic Belt

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.

References

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223

Quick NavTop Commodities Mineral List Other Regions References

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 3, 2026 01:27:41 Page updated: August 21, 2025 21:02:46

Go to top of page