mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
2 items @ $50.00  

Guerinite with Picropharmacolite

#BW57003

Guerinite with Picropharmacolite

#BW57003
Availability
Sold
Size
4 x 3 x 2.5 cm - Miniature 
Formula
Ca5(AsO3OH)2(AsO4)2·9H2O (RRUFF)
Locality
Salsigne mine, Salsigne, Aude, France
Tagged
arsenate

Colorless tabular crystals to 0.75mm of Guerinite with beautiful sprays of snow white Picropharmacolite to 4mm across.

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
Bill Wilson Collection
Mineralpedia
View Guerinite
On Dakota Matrix
Previously Sold Guerinite
On Dakota Matrix
Other Available Guerinite
WebMineral
View Guerinite
Mindat
View Guerinite

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2025 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map