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Fluorapatite with Muscovite & Albite

#BN55585

Fluorapatite with Muscovite & Albite

#BN55585
Availability
Available
Price
$60.00
Size
5 x 4.5 x 4 cm - Miniature 
Formula
Ca5(PO4)3F (RRUFF)
Locality
Medina pegmatite field, Pedra Azul dist., Minas Gerais, Brazil
Tagged
phosphate , pegmatite mineral

Faint yellow waterclear and complex Fluorapatite crystals to 3mm on Muscovite. The Fluorapatite resides on a conical shaped Muscovite crystal. It is 2.5cm long tapering from 3mm at one end to 1.6cm at the large end. It is seated just perfectly on the white tAlbite.

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.

Collection
Dr. Buford Nichols Collection

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