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   30:00

Rossmanite

#41145

Rossmanite

#41145
Availability
Sold
Size
3 x 2.5 x 2.5 cm - Thumbnail 
Formula
□(Al2Li)Al6(Si6O18)(BO3)3(OH)4 (RRUFF)
Locality
Dobrá Voda, Vysočina, Moravia, Czech Republic

Pink prismatic crystals to 1.3cm embedded in matrix.

Rossmanite

Formula
[ ](Al2Li)Al6(Si6O18)(BO3)3(OH)4 
Crystal System
Trigonal 
Crystal Habit
Columnar, Crystalline - Coarse, Striated 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
pink, pale pink 
Streak
white 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Brittle 
Hardness

Data courtesy of Webmineral.

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