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Heulandite-Sr & Chabazite

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SMM901039

Heulandite-Sr & Chabazite

Type Locality

Description Tabs

Description
Locality: 
Campegli Mine, Castiglione Chiavarese, Genova Province, Liguria, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4 × 3 cm
Description

"Rhomboidal" crystals with mother-of-pearl luster of heulandite-Sr from its type locality, are scattered on the matrix, together with pseudocubic crystals of "chabazite. Good sample.

Only a dozen locations around the world and this is the T. L.

Boxed with Label
Mineral Data
What's on the rock

Heulandite-Sr

Formula: 
(Sr,Na,Ca)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.0 - 3.5
Streak: 
White
Type Locality: 
Campegli mine, Campegli, Castiglione Chiavarese, Genova Province, Liguria, Italy

Chabazite

Synonym Of: 

Chabazite-Ca

Formula: 
(Ca,K2,Na2)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 5.0

Chabazite-K

Formula: 
(K2,Ca,Na2,Sr,Mg)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0

Chabazite-Mg

Formula: 
(Mg0.7K0.5Ca0.5Na0.1)[Al3Si9O24]·10H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 0.0

Chabazite-Na

Formula: 
(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0

Chabazite-Sr

Formula: 
Sr2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 4.5

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