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Sincosite with Phosphovanadylite-(Ca)

#35344

Sincosite with Phosphovanadylite-(Ca)

#35344
Availability
Sold
Size
4.5 x 5 x 3 cm - Miniature 
Formula
Ca(V4+O)2(PO4)2·5H2O (RRUFF)
Locality
South Rasmussen Ridge mine, Soda Springs, Caribou Co., Idaho, United States
Tagged
phosphate

Olive green thin sincosite crystals to 2mm. The Sincosite from Rasmussen rivals the Sincosite from my findat the Ross Hannibal in 1996. Although I think the Hannibal Sincosite is still better. The Rasmussen Sincosite, like the Ross Hannibal, covers the spectrum of green shades from bright green to dark green and some are even a golden brown to brass. The Phosphovanadylite is a shiny black and can be seen in a few photos. The operator does NOT allow collecting. These were collected by special permission only and the operator discourages outside inquiries and does not allow third-party collecting. There is a very limited supply.

New Find

Sincosite

Formula
Ca(V4+O)2(PO4)2·5H2
Crystal System
Tetragonal 
Crystal Habit
Scaly, Platy, Aggregates 
Cleavage
Perfect, Distinct, Poor 
Luster
Vitreous - Metallic 
Color
green, yellowish green, olive green, brownish green 
Streak
light green 
Class
Tetragonal 
Fracture
Brittle 
Hardness
1-2 

Data courtesy of Webmineral.

Special Info
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