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Fluorapatite with Quartz on Microcline

#28867

Fluorapatite with Quartz on Microcline

#28867
Availability
Sold
Size
7 x 9.5 x 5 cm - Cabinet 
Formula
Ca5(PO4)3F (RRUFF)
Locality
Sapo mine, Conselheiro Pena, Doce Valley, Minas Gerais, Brazil
Tagged
phosphate

Large chunky piece of white Microcline with one thin green Fluorapatite crystal to over 1cm and several gray-white Quartz points sticking-up out of the top and bottom sides of the Microcline matrix.

Fluorapatite

Formula
Ca5(PO4)3
Crystal System
Hexagonal 
Crystal Habit
Massive - Granular, Euhedral Crystals 
Cleavage
Indistinct, None, None 
Luster
Vitreous - Resinous 
Color
blue, brown, colorless, violet, green 
Streak
white 
Class
Hexagonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness

Data courtesy of Webmineral.

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