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

Blue Jay Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA i
Regional Level Types
Blue Jay Mine Mine
Jamestown Village
Jamestown Mining District Mining District
Boulder County County
Colorado State
USA Country

Regional Level Types
Blue Jay Mine	Mine
Jamestown	Village
Jamestown 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

Locality Photos (2)Add Photo

Map Pages Nearest Localities Use Map in Article

Mineral Search Similar Localities Nearest Localities Predictive Mineralogy Search Google

Blue Jay Mine Property - 1926

Blue Jay Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

Structures at the Blue Jay Mine

Blue Jay Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

Blue Jay Mine Property - 1926

Blue Jay Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

Structures at the Blue Jay Mine

Blue Jay Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

Blue Jay Mine Property - 1926

Blue Jay Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

Structures at the Blue Jay Mine

Blue Jay Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA

Latitude & Longitude (WGS84):

40° 6' 36'' North , 105° 23' 12'' West

Latitude & Longitude (decimal):

Type:

Köppen climate type:

BSk : Cold semi-arid (steppe) climate

Nearest Settlements:

Place	Population	Distance
Jamestown	264 (2017)	0.6km
Bark Ranch	213 (2011)	4.6km
Lazy Acres	920 (2011)	4.9km
Sunshine	230 (2011)	5.2km
Gold Hill	230 (2011)	5.5km

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

Club	Location	Distance
Flatirons Mineral Club	Boulder, Colorado	14km
Mile High Rock and Mineral Society	Arvada, Colorado	43km

Mindat Locality ID:

8757

Long-form identifier:

mindat:1:2:8757:8

GUID (UUID V4):

No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

12 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

ⓘ 'Chlorite Group'

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

ⓘ Coffinite

Formula: U(SiO₄) · nH₂O

References:

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

ⓘ Ferberite

Formula: FeWO₄

References:

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

ⓘ Fluorite

Formula: CaF₂

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.

ⓘ 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

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

ⓘ 'Limonite'

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

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

ⓘ Orthoclase

Formula: K(AlSi₃O₈)

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

ⓘ 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.

ⓘ Quartz var. Chalcedony

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

ⓘ Sphalerite

Formula: ZnS

References:

Phair, G. and Onoda Shimamoto, K. (1952) American Mineralogist, 37, 660.

ⓘ Thorite

Formula: Th(SiO₄)

References:

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

ⓘ Thorite var. Thorogummite

Formula: (Th,U)(SiO₄)_1-x(OH)_4x

References:

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

ⓘ Thorite var. Uranothorite

Formula: (Th,U)SiO₄

References:

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

ⓘ Uraninite

Formula: UO₂

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.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Galena	2.CD.10	PbS
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz var. Chalcedony	4.DA.05	SiO₂
ⓘ		4.DA.05	SiO₂
ⓘ	Ferberite	4.DB.30	FeWO₄
ⓘ	Uraninite	4.DL.05	UO₂
Group 5 - Nitrates and Carbonates
ⓘ	Ankerite	5.AB.10	Ca(Fe²⁺,Mg)(CO₃)₂
Group 9 - Silicates
ⓘ	Coffinite	9.AD.30	U(SiO₄) · nH₂O
ⓘ	Thorite	9.AD.30	Th(SiO₄)
ⓘ	var. Thorogummite	9.AD.30	(Th,U)(SiO₄)_1-x(OH)_4x
ⓘ	var. Uranothorite	9.AD.30	(Th,U)SiO₄
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	var. Sericite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Orthoclase	9.FA.30	K(AlSi₃O₈)
Unclassified
ⓘ	'Chlorite Group'	-
ⓘ	'Limonite'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Coffinite	U(SiO₄) · nH₂O
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Thorite var. Thorogummite	(Th,U)(SiO₄)_1-x(OH)_4x
H	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
C	Carbon
C	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
O	Oxygen
O	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
O	ⓘ Quartz var. Chalcedony	SiO₂
O	ⓘ Coffinite	U(SiO₄) · nH₂O
O	ⓘ Ferberite	FeWO₄
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Orthoclase	K(AlSi₃O₈)
O	ⓘ Quartz	SiO₂
O	ⓘ Thorite	Th(SiO₄)
O	ⓘ Thorite var. Thorogummite	(Th,U)(SiO₄)_1-x(OH)_4x
O	ⓘ Uraninite	UO₂
O	ⓘ Thorite var. Uranothorite	(Th,U)SiO₄
O	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
F	Fluorine
F	ⓘ Fluorite	CaF₂
Mg	Magnesium
Mg	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Al	Aluminium
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Orthoclase	K(AlSi₃O₈)
Al	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	Silicon
Si	ⓘ Quartz var. Chalcedony	SiO₂
Si	ⓘ Coffinite	U(SiO₄) · nH₂O
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Orthoclase	K(AlSi₃O₈)
Si	ⓘ Quartz	SiO₂
Si	ⓘ Thorite	Th(SiO₄)
Si	ⓘ Thorite var. Thorogummite	(Th,U)(SiO₄)_1-x(OH)_4x
Si	ⓘ Thorite var. Uranothorite	(Th,U)SiO₄
Si	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
S	Sulfur
S	ⓘ Galena	PbS
S	ⓘ Pyrite	FeS₂
S	ⓘ Sphalerite	ZnS
K	Potassium
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Orthoclase	K(AlSi₃O₈)
K	ⓘ Muscovite var. Sericite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Ca	ⓘ Fluorite	CaF₂
Fe	Iron
Fe	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Fe	ⓘ Ferberite	FeWO₄
Fe	ⓘ Pyrite	FeS₂
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
W	Tungsten
W	ⓘ Ferberite	FeWO₄
Pb	Lead
Pb	ⓘ Galena	PbS
Th	Thorium
Th	ⓘ Thorite	Th(SiO₄)
Th	ⓘ Thorite var. Thorogummite	(Th,U)(SiO₄)_1-x(OH)_4x
Th	ⓘ Thorite var. Uranothorite	(Th,U)SiO₄
U	Uranium
U	ⓘ Coffinite	U(SiO₄) · nH₂O
U	ⓘ Thorite var. Thorogummite	(Th,U)(SiO₄)_1-x(OH)_4x
U	ⓘ Uraninite	UO₂
U	ⓘ Thorite var. Uranothorite	(Th,U)SiO₄

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 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 6, 2026 03:57:09 Page updated: September 21, 2025 01:54:45

Go to top of page