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  

Boltwoodite

#51064

Boltwoodite

#51064
Availability
Sold
Size
4 x 3 x 2.5 cm - Miniature 
Formula
KUO2(SiO3OH)·H2O (RRUFF)
Locality
Rossing mine, Rossing, Swakopmund, Namibia

Yellow acicular sprays to 8mm.

Boltwoodite

Formula
KUO2(SiO3OH)·H2
Crystal System
Monoclinic 
Cleavage
Perfect, Distinct, None 
Luster
Vitreous - Pearly 
Color
yellow, light yellow 
Streak
white 
Class
Monoclinic - Sphenoidal 
Hardness
3.5-4 

Data courtesy of Webmineral.

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2020 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map