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Prismatine

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SHS851196

Prismatine

Description Tabs

Description
Locality: 
Stakholmen Quarry, Hassela, Nordanstig, Gävleborg County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3.4 × 2.8 cm
Description

Nice prismatine in matrix

Mineral Data
What's on the rock

Prismatine

Formula: 
([ ],Fe,Mg)(Mg,Al,Fe)5Al4Si2(Si,Al)2(B,Si,Al)(O,OH,F)22
Strunz: 
9.BJ.50
Crystal System: 
Orthorhombic
Hardness: 
6.5 - 7.0
Type Locality: 
Granulite outcrop, Waldheim, Döbeln, Saxony, Germany