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Johannsenite

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SER720245

Johannsenite

Type Locality

Description Tabs

Description
Locality: 
Temperino Mine, Campiglia Marittima, Livorno Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 1.1 × 1 cm
Description

Radial white and orange crystals on matrix from the type locality

Mineral Data
What's on the rock

Johannsenite

Formula: 
CaMn2+Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.15
Hardness: 
6.0
Streak: 
white
Type Locality: 
Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
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