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Guerinite Saifeldite & Picropharmacolite

#PD31081

Guerinite Saifeldite & Picropharmacolite

#PD31081
Availability
Sold
Size
1.5 x 2 x 1 cm - Thumbnail 
Formula
Ca5(AsO3OH)2(AsO4)2·9H2O (RRUFF)
Locality
Dachsbusch Mine, Richelsdorf Mountains, Hessen, Germany
Tagged
arsenate

Small piece with pearly-white platy Guerinite crystals in a cluster to 4mm with pink sprays of Picropharmacolite and pink Sainfeldite.

Guerinite

Formula
Ca5(AsO3OH)2(AsO4)2·9H2
Crystal System
Monoclinic 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
colorless, white 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
1.5 

Data courtesy of Webmineral.

Collection
Phillips Collection

Mineralogical Research Co label

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