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
0 item @ $0.00  

Vinogradovite

#46485
SOLD
Vinogradovite from Koashva Mt., Khibiny Massif, Kola Peninsula, Russia - 46485
Vinogradovite from Koashva Mt., Khibiny Massif, Kola Peninsula, Russia - 46485

Vinogradovite

#46485
Availability
Sold
Size
4 x 2 x 2.2 cm - Miniature 
Formula
(Na,Ca,K)5(Ti,Nb)4(Si6BeAl)O26·3H2O (RRUFF)
Locality
Koashva Mt., Khibiny Massif, Kola Peninsula, Russia

White fibrous crystals to 2mm. Very rich specimen.

Vinogradovite

Formula
(Na,Ca,K)5(Ti,Nb)4(Si6BeAl)O26·3H2
Crystal System
Monoclinic 
Crystal Habit
Pseudo Orthorhombic, Prismatic, Bladed 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness

Data courtesy of Webmineral.

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2019 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map