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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Anglesite from
Iron Mask Occurrence, Breckenridge Mining District, Summit County, Colorado, USA


Locality type:Occurrence
Classification
Species:Anglesite
Formula:PbSO4
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Anglesite data
Locality Data:Click here to view Iron Mask Occurrence, Breckenridge Mining District, Summit County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:707159
Long-form Identifier:1:3:707159:1
GUID (UUID V4):0
Nearest other occurrences of Anglesite
3.6km (2.2 miles) ⓘPuzzle Ouray, Breckenridge Mining District, Summit County, Colorado, USA
6.7km (4.2 miles) ⓘCarbonate Mine (Carbonate Group; Carbonite), Breckenridge Mining District, Summit County, Colorado, USA
17.0km (10.6 miles) ⓘSaints John Mine (Florado; Saint John Mine), Montezuma Area, Summit County, Colorado, USA
17.4km (10.8 miles) ⓘCashier Mine (Champion), Montezuma Area, Summit County, Colorado, USA
20.3km (12.6 miles) ⓘGeneva Creek Cirque, Montezuma Mining District, Park County, Colorado, USA
20.9km (13.0 miles) ⓘSweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
24.4km (15.2 miles) ⓘNew York Mountain, Alma, Alma Mining District, Park County, Colorado, USA
26.2km (16.3 miles) ⓘLondon Mine, London Mountain, Alma Mining District, Park County, Colorado, USA
29.0km (18.0 miles) ⓘBlack Iron Mine (Eagle No. 2 Mine; Iron Mask), Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
29.8km (18.5 miles) ⓘEagle Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
References
USGS Proffesional Paper 75
 
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