mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
1 item @ $125.00  

Sekaninaite

#56535

Sekaninaite

#56535
Availability
Sold
Size
2.5 x 2.5 x 1.5 cm - Thumbnail 
Formula
Fe2+2Al4Si5O18 (RRUFF)
Locality
Dolni Bory, Moravia, Czech Republic

Glassy purplish crystalline mass.

Sekaninaite

Formula
Fe2+2Al4Si5O18 
Crystal System
Orthorhombic 
Crystal Habit
Crystalline - Fine 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
blue, blue violet, violet blue, gray blue 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle - Uneven 
Hardness
7.5 

Data courtesy of Webmineral.

Other Sold

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2021 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map