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Trolleite with Lazulite

#PD43562

Trolleite with Lazulite

#PD43562
Availability
Sold
Size
6 x 4 x 4 cm - Sm Cabinet 
Formula
Al4(PO4)3(OH)3 (RRUFF)
Locality
Champion mine, Mono Co., California, United States
Tagged
phosphate

Crude blue crystals of Trolleite rimmed by darker blue Lazulite suspended in feldspar matrix. 

Trolleite

Formula
Al4(PO4)3(OH)3 
Crystal System
Monoclinic 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
light blue, light green 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal - Uneven 
Hardness
5.5-6 

Data courtesy of Webmineral.

Collection
Phillips Collection
Mineralpedia
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