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
Checkout
0 item @ $0.00  
Home | My Cart | Login | Register

Hydroboracite

#BW58793
SOLD
Hydroboracite from Kohnstein quarry, Niedersachswerfen, Harztor, Thuringia, Germany - BW58793
Hydroboracite from Kohnstein quarry, Niedersachswerfen, Harztor, Thuringia, Germany - BW58793

Hydroboracite

#BW58793
Availability
Sold
Size
5 x 1.5 x 1 cm - Miniature 
Formula
CaMg[B3O4(OH)3]2·3H2O (RRUFF)
Locality
Kohnstein quarry, Niedersachswerfen, Harztor, Thuringia, Germany

A waterclear crystal.

Hydroboracite

Formula
CaMg[B3O4(OH)3]2·3H2O 
Crystal System
Monoclinic 
Crystal Habit
Fibrous, Foliated 
Cleavage
Perfect, None, None 
Luster
Vitreous - Silky 
Color
colorless, greenish, white, light brown, wine yellow 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
2 

Data courtesy of Webmineral.

Collection
Bill Wilson Collection
Mineralpedia
View Hydroboracite
On Dakota Matrix
Previously Sold Hydroboracite
On Dakota Matrix
Other Available Hydroboracite
WebMineral
View Hydroboracite
Mindat
View Hydroboracite

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