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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Bismuthinite from
Timms Hill (Tim's Hill; Iolite Hill), Haddam, Middlesex County, Connecticut, USA


Locality type:Hill
Classification
Species:Bismuthinite
Formula:Bi2S3
Comments:May be erroneous, possibly really from the chrysoberyl locality with similar mineralogy and where it is well-known.
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Bismuthinite data
Locality Data:Click here to view Timms Hill (Tim's Hill; Iolite Hill), Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:657141
Long-form Identifier:1:3:657141:2
GUID (UUID V4):0
Nearest other occurrences of Bismuthinite
1.4km (0.9 miles) ⓘChrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
1.5km (1.0 miles) ⓘState Route 9 Interchange 13 - Beaver Meadow Road, Haddam, Middlesex County, Connecticut, USA
2.2km (1.4 miles) ⓘHewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA
2.6km (1.6 miles) ⓘLong Hill prospects (Turkey Hill prospects), Haddam, Middlesex County, Connecticut, USA
4.2km (2.6 miles) ⓘRock Landing Quarry (Capt. Rohrback Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
6.6km (4.1 miles) ⓘWorth and Selden Quarries (Victoria Quarry), East Hampton, Middlesex County, Connecticut, USA
8.2km (5.1 miles) ⓘSlocum prospect, East Hampton, Middlesex County, Connecticut, USA
11.3km (7.0 miles) ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA
14.7km (9.1 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
15.2km (9.5 miles) ⓘPelton's Quarry, Portland, Middlesex County, Connecticut, 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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