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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Quartz from
Montana Prospect, Iron Mountain Mining District, Washington County, Idaho, USA


Locality type:Prospect
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Montana Prospect, Iron Mountain Mining District, Washington County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:449494
Long-form Identifier:1:3:449494:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.3km (0.2 miles) ⓘCampbell Magnetite Deposit Prospect (W. J. Bryan; Campbell Deposit; Siegwein Claims; Barton; Last Chance), Iron Mountain Mining District, Washington County, Idaho, USA
1.2km (0.7 miles) ⓘStandard Specularite Prospect (Siegwein), Iron Mountain Mining District, Washington County, Idaho, USA
2.4km (1.5 miles) ⓘTate Prospect, Mineral Hill Mining District, Washington County, Idaho, USA
2.6km (1.6 miles) ⓘDennett Creek Prospect, Mineral Hill Mining District, Washington County, Idaho, USA
2.8km (1.8 miles) ⓘAzurite Prospect (Salyer), Mineral Hill Mining District, Washington County, Idaho, USA
3.4km (2.1 miles) ⓘCon Dor Mine (Condor; Jessie), Mineral Hill Mining District, Washington County, Idaho, USA
3.4km (2.1 miles) ⓘKing Prospect (Silver King), Mineral Hill Mining District, Washington County, Idaho, USA
3.6km (2.3 miles) ⓘSilver Still Mine (North Star Property), Mineral Hill Mining District, Washington County, Idaho, USA
3.8km (2.4 miles) ⓘBlack Jack Prospect, Mineral Hill Mining District, Washington County, Idaho, USA
4.1km (2.5 miles) ⓘBell Mine (Silver Bell), Mineral Hill Mining District, Washington County, Idaho, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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