Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Tephroite

Views:
Watches:
SHS163559

Tephroite

Description Tabs

Description
Locality: 
Jakobsberg Mine, Nordmark, Filipstad, Värmland County, Sweden
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.7 × 1.8 cm
Description

Nice tephroite in matrix

Mineral Data
What's on the rock

Tephroite

Formula: 
Mn2+2SiO4
Strunz: 
9.AC.05
Crystal System: 
Orthorhombic Forms short prismatic crystals.
Hardness: 
6.0
Streak: 
Pale gray
Type Locality: 
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA