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


Locality type:Prospect
Classification
Species:Fluorapatite
Formula:Ca5(PO4)3F
Comments:Large crystals and casts are visible in the pegmatite. Some are parallel growth clusters, ranging in color from white to light yellow-green. Chunks of these are littered everywhere in the dump. Some are up to 7 in in diameter.
Habit:prismatic
Colour:white, yellow-green, green
Luminescent properties:yellow
Abundance at site:Common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Meta-autunite1
Albite1
Quartz1
Muscovite1
Data
Mineral Data:Click here to view Fluorapatite data
Locality Data:Click here to view Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:96293
Long-form Identifier:1:3:96293:1
GUID (UUID V4):0
Nearest other occurrences of Fluorapatite
0.1km (0.1 miles) ⓘPegmatite prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
0.8km (0.5 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
0.9km (0.6 miles) ⓘSchoonmaker Mine, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
2.0km (1.2 miles) ⓘPelton's Quarry, Portland, Middlesex County, Connecticut, USA
3.2km (2.0 miles) ⓘState Forest Quarry No. 2, Cobalt, East Hampton, Middlesex County, Connecticut, USA
3.3km (2.0 miles) ⓘGreat Hill cobalt mines, Cobalt, East Hampton, 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
3.8km (2.4 miles) ⓘGotta-Walden Prospect, Portland, Middlesex 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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