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Parwanite with Taranakite

#BN46755

Parwanite with Taranakite

#BN46755
Availability
Sold
Size
8.5 x 5 x 3.5 cm - Sm Cabinet 
Formula
NaMg4Al8(PO4)8(CO3)(OH)7·30H2O (RRUFF)
Locality
Parwan Cave, near Bacchus Marsh, Victoria, Australia
Tagged
phosphate

A rich specimen for Parwanite, a very rare cave mineral found at this locality only. The parwanite forms tiny globules less than 1mm in size on the brown portions of this specimen. The brown is probably Montmorillinite which is in the larger, white chalky mass of Taranakite. The specimen is originally from the Jack Parnau collection and there is a letter to Parnau explaining the specimen itself. See prov. tab.

Parwanite

Formula
NaMg4Al8(PO4)8(CO3)(OH)7·30H2
Crystal System
Monoclinic 
Class
Monoclinic 
Hardness

Data courtesy of Webmineral.

Collection
Dr. Buford L. Nichols Collection
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