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Gmelinite

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TPX921221

Gmelinite

Rare Mineral

Description Tabs

Description
Locality: 
San Rocco, Caprarola, Viterbo Province, Lazio, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.3 × 5.6 × 6.5 cm
Weight: 
230.00gr
Description

Very interesting group of gemelenite crystals on matrix from this rare Italian locality. Old label attached.

Mineral Data
What's on the rock

Gmelinite

Synonym Of: 

Gmelinite-Ca

Formula: 
(Ca,Na2)[Al2Si4O12]·6H2O
Strunz: 
9.GD.05
Hardness: 
4.5

Gmelinite-K

Formula: 
(K2,Na2,Ca)[Al2Si4O12]·6H2O
Strunz: 
9.GD.05
Hardness: 
4.5

Gmelinite-Na

Formula: 
(Na2,Ca)[Al2Si4O12]·6H2O
Strunz: 
9.GD.05
Hardness: 
4.5
Group Parent: 
Zeolite Group

Seller Information

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