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  

Helvite

#50984

Helvite

#50984
Availability
Sold
Size
3 x 2 x 2.5 cm - Thumbnail 
Formula
Mn2+4(BeSiO4)3S (RRUFF)
Locality
Iron Mountain dist., Sierra Co., New Mexico, United States
Tagged
beryllium

Orange distorted micro crystals to 1mm.

Helvite

Formula
Mn4Be3(SiO4)3S 
Crystal System
Isometric 
Crystal Habit
Massive 
Cleavage
Indistinct, Indistinct, Indistinct 
Luster
Vitreous - Resinous 
Color
brown, brownish yellow, gray, yellow, yellow green 
Streak
grayish white 
Class
Isometric - Hextetrahedral 
Fracture
Brittle 
Hardness
6-6.5 

Data courtesy of Webmineral.

Mineralpedia
View Helvite
On Dakota Matrix
Previously Sold Helvite
On Dakota Matrix
Other Available Helvite
WebMineral
View Helvite
Mindat
View Helvite

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