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
Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA


Locality type:Prospect
Classification
Species:'Microlite Group' (not an IMA approved species)
Formula:A2-mTa2X6-wZ1-n
Comments:Reference contains only a list with no details.
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Microlite Group data
Locality Data:Click here to view Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:96300
Long-form Identifier:1:3:96300:0
GUID (UUID V4):0
Nearest other occurrences of Microlite Group
0.8km (0.5 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
3.3km (2.1 miles) ⓘRiverside Quarry (Western Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA
3.6km (2.3 miles) ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA
3.8km (2.3 miles) ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA
4.9km (3.1 miles) ⓘHale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA
5.9km (3.7 miles) ⓘSimpson prospect #1, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
6.1km (3.8 miles) ⓘHowe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
6.2km (3.8 miles) ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
6.5km (4.0 miles) ⓘHollister prospects, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
7.7km (4.8 miles) ⓘChamberlain Lane, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
References
Januzzi, Ron E., Seaman, David M. (1976) Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Danbury, Connecticut, USA.
 
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