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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Fluorite from
American Sisters Mine, Lawson Mining District, Clear Creek County, Colorado, USA


Locality type:Mine
Classification
Species:Fluorite
Formula:CaF2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Fluorite data
Locality Data:Click here to view American Sisters Mine, Lawson Mining District, Clear Creek County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:48620
Long-form Identifier:1:3:48620:0
GUID (UUID V4):0
Nearest other occurrences of Fluorite
7.7km (4.8 miles) ⓘStanley Mine (Gehrmann; Cooper; York; Whale; Golden Link), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
7.9km (4.9 miles) ⓘCentennial group (Barrel; Big I.), Georgetown District, Clear Creek County, Colorado, USA
8.3km (5.2 miles) ⓘDiamond Joe tunnel, Idaho Springs, Lawson Mining District, Clear Creek County, Colorado, USA
8.8km (5.5 miles) ⓘSpecie Payment Tunnel, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
9.2km (5.7 miles) ⓘGeorgetown-Silver Plume Mining District (Griffith Mining District; Silver Plume Mining District), Clear Creek County, Colorado, USA
10.5km (6.5 miles) ⓘTom Boy (Treasure Vault; John Paul Jones; Edna Fannie; Golden Treasure), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
10.8km (6.7 miles) ⓘHazeline, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
10.8km (6.7 miles) ⓘKokomo Mine, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
11.0km (6.8 miles) ⓘLeavenworth Mountain, Argentine Mining District, Clear Creek County, Colorado, USA
11.1km (6.9 miles) ⓘMoose Shaft, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
References
Dana 6:1089.
 
and/or  
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