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0 item @ $0.00  

Thortveitite

#RS59757

Thortveitite

#RS59757
Availability
Sold
Size
5.5 x 2.5 x 2.2 cm - Sm Cabinet 
Formula
Sc2Si2O7 (RRUFF)
Locality
Tuftane quarry, Frikstad, Iveland, Aust-Agder, Norway

Prismatic crystals to 2mm with Davidite(?). There is a small 1mm Zircon crystal. Specimen needs better ID work. The Thortveitite is questionable. Previously was a Minerals Unlimited specimen.

Thortveitite

Formula
Sc2Si2O7 
Crystal System
Monoclinic 
Crystal Habit
Crystalline - Fine, Radial, Prismatic 
Cleavage
Perfect, None, None 
Luster
Vitreous - Adamantine 
Color
brown, grayish black, black, grayish green 
Streak
gray 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal 
Hardness
6.5 

Data courtesy of Webmineral.

Collection
RC Stamberg Collection

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