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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Microlite Group from
Blandford mica mines, Blandford, Hampden County, Massachusetts, USA


Locality type:Mine
Classification
Species:'Microlite Group' (not an IMA approved species)
Formula:A2-mTa2X6-wZ1-n
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Microlite Group data
Locality Data:Click here to view Blandford mica mines, Blandford, Hampden County, Massachusetts, USA
Data Identifiers
Mindat Occurrence Record ID:29874
Long-form Identifier:1:3:29874:8
GUID (UUID V4):0
Nearest other occurrences of Microlite Group
26.0km (16.2 miles) ⓘClark Ledge pegmatite locality, Chesterfield, Hampshire County, Massachusetts, USA
65.3km (40.6 miles) ⓘChamberlain Lane, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
66.3km (41.2 miles) ⓘHollister prospects, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
66.4km (41.2 miles) ⓘHowe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
66.4km (41.3 miles) ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
66.6km (41.4 miles) ⓘSimpson prospect #1, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
67.5km (41.9 miles) ⓘHale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA
68.1km (42.3 miles) ⓘBrack Gem prospect (Brack prospect), East Glastonbury, Glastonbury, Hartford County, Connecticut, USA
68.6km (42.6 miles) ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA
71.5km (44.4 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
References
"Western Massachusetts Mineral Localities" by Plante, A.R., Valley Geology Press, 1992
 
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