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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Topaz from
Long Hill prospects (Turkey Hill prospects), Haddam, Middlesex County, Connecticut, USA


Locality type:Prospect
Classification
Species:Topaz
Formula:Al2(SiO4)(F,OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Topaz data
Locality Data:Click here to view Long Hill prospects (Turkey Hill prospects), Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:657146
Long-form Identifier:1:3:657146:7
GUID (UUID V4):0
Nearest other occurrences of Topaz
0.5km (0.3 miles) ⓘHewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA
4.6km (2.9 miles) ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
12.6km (7.8 miles) ⓘTollgate Quarry (Tollgate Mine; Bidwell Quarry; China-stone Quarry), Middletown, Middlesex County, Connecticut, USA
13.9km (8.6 miles) ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA
17.3km (10.7 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
20.1km (12.5 miles) ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA
37.7km (23.4 miles) ⓘWillimantic, Windham, Windham County, Connecticut, USA
61.6km (38.3 miles) ⓘPorter Hill Road roadcut, Long Hill, Trumbull, Fairfield County, Connecticut, USA
62.5km (38.8 miles) ⓘCorporate Drive road cut, Long Hill, Trumbull, Fairfield County, Connecticut, USA
62.5km (38.9 miles) ⓘCorporate Drive, Long Hill, Trumbull, Fairfield 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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