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Tinzenite

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CFL654121

Tinzenite

Description Tabs

Description
Locality: 
Valgraveglia Mine, Reppia, Ne, Graveglia Valley, Genova Province, Liguria, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.9 × 1.2 cm
Weight: 
20.00gr
Description

Pale tan tinzenite crystals on matrix from this famous Italian locality.   See also caryopilite, piedmontite and other Tinzenite specimens from the same tlocality.

Mineral Data
What's on the rock

Tinzenite

Formula: 
(Ca,Mn2+)2Mn2+Al2BSi4O15(OH)
Strunz: 
9.BD.20
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
6.5 - 7.0
Type Locality: 
Parsettens Alp, Tinizong (Tinzen), Oberhalbstein (Surses; Sursass), Albula Valley, Grischun (Grisons; Graubünden), Switzerland

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