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Leucophosphite with Hureaulite & Bermanite

#PD39267

Leucophosphite with Hureaulite & Bermanite

#PD39267
Availability
Sold
Size
4 x 4 x 1.5 cm - Miniature 
Formula
KFe3+2(PO4)2(OH)·2H2O (RRUFF)
Locality
Tip Top mine, Custer Co., South Dakota, United States
Tagged
phosphate

Good coverage of light purple to yellowish blocky crystals of Leucophosphite to 1.5mm with pink Hureaulite (corner) and deep rusty red acicular Bermanite. There is Jahnsite in the matrix along open seams.

Leucophosphite

Formula
KFe3+2(PO4)2(OH)·2H2
Crystal System
Monoclinic 
Cleavage
Indistinct, None, None 
Luster
Vitreous - Dull 
Color
brown, brownish yellow, colorless, greenish, white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
3.5 

Data courtesy of Webmineral.

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