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 @ $25.00  

Umbozerite

#44168

Umbozerite

#44168
Availability
Sold
Size
3.5 x 2 x 1 cm - Miniature 
Formula
Na3Sr4ThSi8O23(OH) (RRUFF)
Locality
Pegmatite #60, Karnasurt Mt., Lovozero Massif, Kola Peninsula, Russia
Tagged
pegmatite mineral

Dark green acicular crystals in sprays in Ussingite matrix. This is type locality obtained from the author of the mineral, Dr. Igor Pekov. Just a handful of localities worldwide.

Type Locality

Umbozerite

Formula
Na3Sr4ThSi8O23(OH) 
Crystal System
No Crystals 
Crystal Habit
Metamict, Pseudo Tetragonal 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
bottle green, greenish brown 
Class
Amorphous - No Crystals 
Fracture
Conchoidal 
Hardness

Data courtesy of Webmineral.

Special Info
Type Locality

Other Sold

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2025 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map