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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Corundum from
West Thompson Dam, West Thompson, Thompson, Windham County, Connecticut, USA


Locality type:Dam
Classification
Species:Corundum
Formula:Al2O3
Formation:Primary
Comments:In a list of minerals for the locality without any supporting information or photos.
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Corundum data
Locality Data:Click here to view West Thompson Dam, West Thompson, Thompson, Windham County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:97398
Long-form Identifier:1:3:97398:2
GUID (UUID V4):0
Nearest other occurrences of Corundum
48.5km (30.2 miles) ⓘFalls of the Yantic River, Norwich, New London County, Connecticut, USA
64.8km (40.3 miles) ⓘPelham asbestos mine, Pelham, Hampshire County, Massachusetts, USA
83.9km (52.1 miles) ⓘState Route 372 construction site, Plainville, Hartford County, Connecticut, USA
95.5km (59.3 miles) ⓘWright Mine, Chester Emery Mines, Chester, Hampden County, Massachusetts, USA
96.0km (59.7 miles) ⓘMelvin Mine, Chester Emery Mines, Chester, Hampden County, Massachusetts, USA
97.3km (60.5 miles) ⓘOld Mine, Chester Emery Mines, Chester, Hampden County, Massachusetts, USA
97.9km (60.8 miles) ⓘChester Emery Mines, Chester, Hampden County, Massachusetts, USA
References
Weber, Marcelle H., Sullivan, Earle C. (1995) Connecticut Mineral Locality Index. Rocks & Minerals, 70 (6) 396-409 doi:10.1080/00357529.1995.11761569
 
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