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Parafransoletite with Roscherite

#28003

Parafransoletite with Roscherite

#28003
Availability
Sold
Size
0.8 x 0.6 x 0.2 cm - Thumbnail 
Formula
Ca3Be2(PO4)2(PO3OH)2·4H2O (RRUFF)
Locality
Tip Top mine, Custer Co., South Dakota, United States

Small 8mm piece with hundreds of tiny white, bladed Parafransoletite crystals to about 0.3mm. The crystals as you can see are very abundant and very visible and sit on deep red Roscherite. Excellent, extremely rare mineral. Only a handful of these specimens were found in the 1980's. None have been found since.

Type & Only Locality

Parafransoletite

Formula
Ca3Be2(PO4)2(PO3OH)2·4H2
Crystal System
Triclinic 
Crystal Habit
Spear Head, Wheat Sheaf, Radial 
Cleavage
None, None, None 
Luster
Vitreous - Silky 
Color
colorless, white 
Streak
white 
Class
Triclinic - Pinacoidal 
Hardness
2.5 

Data courtesy of Webmineral.

Special Info
Type & Only Locality

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