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Prismatine & Spinel

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CLB616547

Prismatine & Spinel

ex collection Rudolf Nestler
Type Locality

Description Tabs

Description
Locality: 
Granulite Outcrop, Waldheim, Mittelsachsen, Saxony, Germany
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 5 × 3 cm
Description

Very nice type locality specimen for prismatine with large crystals up to 2.8 cm. With very tiny, pink spinel (or maybe corundum?) crystals.

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

Spinel

Formula: 
MgAl2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
7.5 - 8.0

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