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0 item @ $0.00  

Fersmanite

#31417

Fersmanite

#31417
Availability
Sold
Size
3 x 2 x 3 cm - Thumbnail 
Formula
Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3 (RRUFF)
Locality
Eveslogchorr Mt, Khibiny Massif, Kola Peninsula, Russia

Glassy brown partial tabular crystals and crystalline Fersmanite throughout matrix.

Type Locality, EDS Confirmed

Fersmanite

Formula
Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3 
Crystal System
Monoclinic 
Crystal Habit
Pseudo Tetragonal 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
golden yellow, resin brown, light brown, dark brown 
Streak
brownish white 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
5.5 

Data courtesy of Webmineral.

Special Info
Type Locality
Special Info
EDS Confirmed

Catalog card with mineral data, type of analyses performed, etc. from the Huestis Collection

Other Sold

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