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2 items @ $50.00  
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Bentorite with Portlandite

#65691
SOLD
Bentorite from Ma'ale Adumim, Negev desert, Hatrurim Fm, Israel - 65691
Bentorite from Ma'ale Adumim, Negev desert, Hatrurim Fm, Israel - 65691

Bentorite with Portlandite

#65691
Availability
Sold
Size
2 x 1.5 x 2 cm - Thumbnail 
Formula
Ca6Cr2(SO4)3(OH)12·26H2O (RRUFF)
Locality
Ma'ale Adumim, Negev desert, Hatrurim Fm, Israel

Purple crystalline Bentorite, a rare chromium mineral, with white Portlandite.

Type Locality

Bentorite

Formula
Ca6Cr2(SO4)3(OH)12·26H2O 
Crystal System
Hexagonal 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
violet, light violet 
Streak
violet 
Class
Hexagonal - Dihexagonal Dipyramidal 
Hardness
2 

Data courtesy of Webmineral.

Special Info
Type Locality
Mineralpedia
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On Dakota Matrix
Previously Sold Bentorite
On Dakota Matrix
Other Available Bentorite
WebMineral
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