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Quartz from
Keystone Mine, Magnolia Mining District, Boulder County, Colorado, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Goethite2
Weishanite1
Magnolite1
Coloradoite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Keystone Mine, Magnolia Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:85698
Long-form Identifier:1:3:85698:6
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.3km (0.2 miles) ⓘMountain Lion Mine - Keystone vein, Magnolia Mining District, Boulder County, Colorado, USA
0.8km (0.5 miles) ⓘFortune Occurrence, Magnolia Mining District, Boulder County, Colorado, USA
0.8km (0.5 miles) ⓘBelmont (Graphic; Holy Cross; Tungsten King Occurrence), Magnolia Mining District, Boulder County, Colorado, USA
0.8km (0.5 miles) ⓘSenator Hill and Ophir Veins, Magnolia Mining District, Boulder County, Colorado, USA
1.1km (0.7 miles) ⓘMagnolia Vein, Kekionga Mine, Magnolia Mining District, Boulder County, Colorado, USA
2.4km (1.5 miles) ⓘEagle Rock Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
2.7km (1.7 miles) ⓘEmpress Mine & Post Boy Tunnel, Sugarloaf Mining District, Boulder County, Colorado, USA
2.8km (1.8 miles) ⓘDorothy Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
3.1km (1.9 miles) ⓘKatie Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
3.6km (2.3 miles) ⓘGood Friday Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
References
Dana 6: 11, 980
Dana 7:I: 594.
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
Missen, O. P., Back, M. E., Mills, S. J., Roberts, A. C., LePage, Y., Pinch, W. W., & Mandarino, J. A. (2021). Crystal Chemistry of Zemannite-Type Structures: III. Keystoneite, the Ni2+-Analogue of Zemannite, and Ferrotellurite Discredited. The Canadian Mineralogist, 59(2), 355-364.
 
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