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Gismondine

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CHP835318

Gismondine

Classic Locality

Description Tabs

Description
Locality: 
Vedretta della Miniera, Zebrù Valley, Valfurva, Sondrio Province, Lombardy, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4 × 3 cm
Description

specimen with some very good white bi-pyramidal perfect crystals of gismondine on matrix.

c. 1517

Mineral Data
What's on the rock

Gismondine

Synonym Of: 

Gismondine-Ca

Formula: 
CaAl2Si2O8·4H2O
Strunz: 
9.GC.05
Hardness: 
0.0
Group Parent: 
Zeolite Group

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