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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Schorl from
Harding Hill prospects, Stoneham, Oxford County, Maine, USA


Locality type:Prospect
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Harding Hill prospects, Stoneham, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:34058
Long-form Identifier:1:3:34058:2
GUID (UUID V4):0
Nearest other occurrences of Schorl
0.8km (0.5 miles) ⓘButters Mountain locality, Stoneham, Oxford County, Maine, USA
1.1km (0.7 miles) ⓘFoster Hill prospects, Stoneham, Oxford County, Maine, USA
2.6km (1.6 miles) ⓘAllen Mountain prospect (Allen Mountain Spar opening), Stoneham, Oxford County, Maine, USA
2.9km (1.8 miles) ⓘVirginia Lake prospect, Stoneham, Oxford County, Maine, USA
6.8km (4.2 miles) ⓘBeryllonite locality, Sugarloaf Mountain, Stoneham, Oxford County, Maine, USA
7.5km (4.7 miles) ⓘChester Holt prospect, Albany, Oxford County, Maine, USA
8.0km (5.0 miles) ⓘShirley Brook Topaz locality, Stoneham, Oxford County, Maine, USA
8.0km (5.0 miles) ⓘFlint Mountain prospects, Albany, Oxford County, Maine, USA
8.0km (5.0 miles) ⓘWardwell Quarry (Pechnic Quarry), Albany, Oxford County, Maine, USA
8.1km (5.1 miles) ⓘSaunders Mica Quarry, Waterford, Oxford County, Maine, USA
References
 
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