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Chambersite

#54980

Chambersite

#54980
Availability
Sold
Size
0.5 x 0.5 x 0.4 cm - Thumbnail 
Formula
Mn3B7O13Cl (RRUFF)
Locality
Barbers Hill Salt Dome, Chambers Co., Texas, United States

Pseudotetrahedral crystals which are a deep purple color. Chambersite is a member of the Boracite group. These crystals are formed in salt domes and brought to the surface in the brines from the extraction wells. I have never seen crystals from any other locality besides this locality and the Venice salt dome. The largest  crystal is 5mm at the base the smallest is 3mm. These are very rare.

Type Locality

Chambersite

Formula
Mn3B7O13Cl 
Crystal System
Orthorhombic 
Crystal Habit
Euhedral Crystals, Pseudo Tetragonal 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, purple red 
Streak
white 
Class
Orthorhombic - Pyramidal 
Fracture
Conchoidal - Uneven 
Hardness

Data courtesy of Webmineral.

Special Info
Type Locality

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