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Chabazite-Ca & Calcite

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SMM543064

Chabazite-Ca & Calcite

Description Tabs

Description
Locality: 
Su Marralzu, Osilo, Sassari Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
14 × 8 × 6 cm
Largest Crystal: 
0.70cm
Weight: 
600.00gr
Description

Several pink crystals of bipyramidal chabazite-Ca, var. phacolite scattered on one side of the large cavity of andesite, which is covered with calcite crystals.

Mineral Data
What's on the rock

Chabazite-Ca

Formula: 
(Ca,K2,Na2)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 5.0
Streak: 
White
Type Locality: 
Colle del Lares, San Nicolò Valley, Buffaure Group, Fassa Valley, Trento Province, Trentino-Alto Adige, Italy

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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