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0 item @ $0.00  

Frankamenite

#52396

Frankamenite

#52396
Availability
Sold
Size
3.5 x 2.5 x 1.5 cm - Miniature 
Formula
K3Na3Ca5Si12O30(F,OH)4·H2O (RRUFF)
Locality
Murunskii Massif, Chara & Tokko Rivers, Aldan Shield, Saha, Siberia, Russia

Large green, vitreous crystal to 1.5cm in Charoite matrix.

Type Locality, XRD Confirmed, EDS Confirmed

Frankamenite

Formula
K3Na3Ca5Si12O30(F,OH)4·H2
Crystal System
Triclinic 
Crystal Habit
Lath 
Cleavage
Good, Good, None 
Luster
Vitreous (Glassy) 
Color
greenish blue, bluish gray, greenish gray, lilac gray 
Streak
pale blue 
Class
Triclinic - Pedial 
Fracture
Brittle 
Hardness
5.5 

Data courtesy of Webmineral.

Special Info
Type Locality
Special Info
XRD Confirmed
Special Info
EDS Confirmed

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