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
Blandford mica mines, Blandford, Hampden County, Massachusetts, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Muscovite4
Albite3
Beryl2
Microcline1
Schorl1
Metatorbernite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Blandford mica mines, Blandford, Hampden County, Massachusetts, USA
Data Identifiers
Mindat Occurrence Record ID:29880
Long-form Identifier:1:3:29880:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
9.5km (5.9 miles) ⓘRound Top Hill area quartz prospects, Chester, Hampden County, Massachusetts, USA
10.2km (6.3 miles) ⓘMelvin Mine, Chester Emery Mines, Chester, Hampden County, Massachusetts, USA
10.2km (6.4 miles) ⓘWright Mine, Chester Emery Mines, Chester, Hampden County, Massachusetts, USA
11.5km (7.1 miles) ⓘChester Emery Mines, Chester, Hampden County, Massachusetts, USA
11.7km (7.3 miles) ⓘOld Mine, Chester Emery Mines, Chester, Hampden County, Massachusetts, USA
18.5km (11.5 miles) ⓘLoudville Lead Mines (Manhan Lead-Silver Mine; Southampton Lead Mine; Northampton Lead Mine), Easthampton, Hampshire County, Massachusetts, USA
20.0km (12.4 miles) ⓘLane & Son traprock quarries (Lane's Quarry), Westfield, Hampden County, Massachusetts, USA
23.0km (14.3 miles) ⓘMount Tom, Holyoke, Hampden County, Massachusetts, USA
24.5km (15.3 miles) ⓘMount Tom Quarry, Mount Tom, Holyoke, Hampden County, Massachusetts, USA
26.0km (16.2 miles) ⓘClark Ledge pegmatite locality, Chesterfield, Hampshire County, Massachusetts, USA
References
"Western Massachusetts Mineral Localities" by Plante, A.R., Valley Geology Press, 1992
 
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