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
Betts Manganese Mines, Plainfield, Hampshire County, Massachusetts, 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 Betts Manganese Mines, Plainfield, Hampshire County, Massachusetts, USA
Data Identifiers
Mindat Occurrence Record ID:28153
Long-form Identifier:1:3:28153:5
GUID (UUID V4):0
Nearest other occurrences of Fluorite
28.5km (17.7 miles) ⓘHudson & Chester Quarry, Becket, Berkshire County, Massachusetts, USA
29.7km (18.4 miles) ⓘLoudville Lead Mines (Manhan Lead-Silver Mine; Southampton Lead Mine; Northampton Lead Mine), Easthampton, Hampshire County, Massachusetts, USA
30.6km (19.0 miles) ⓘCheapside Quarry (East Deerfield Quarry; Trew Corp. Quarry), Deerfield, Franklin County, Massachusetts, USA
44.3km (27.5 miles) ⓘLane Quarry, Northfield, Franklin County, Massachusetts, USA
48.5km (30.1 miles) ⓘRoss's Lead Mine, Northfield, Franklin County, Massachusetts, USA
62.9km (39.1 miles) ⓘWilliam Wise Mine, Westmoreland, Cheshire County, New Hampshire, USA
63.0km (39.1 miles) ⓘPutney, Windham County, Vermont, USA
63.5km (39.4 miles) ⓘState Route 20 road cut, East Granby, Hartford County, Connecticut, USA
64.4km (40.0 miles) ⓘRoncari Quarry, East Granby, Hartford County, Connecticut, USA
65.9km (40.9 miles) ⓘQuabbin Aqueduct shaft No. 10 locality, Hardwick, Worcester County, Massachusetts, USA
References
Plante, A.R. (1992) Western Massachusetts Mineral Localities. Valley Geology Press, 1992: 150 pgs.
 
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