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Chabazite-K Phillipsite-K

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SMM807092

Chabazite-K Phillipsite-K

Description Tabs

Description
Locality: 
Vallerano Quarries, Valleranello, Rome Province, Lazio, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 5 × 2 cm
Description

Beautiful spherical groups of many flat crystals of chabazite-K phacolite variety, colorless glassy twinned phillipsite-K, fluorapatite  needles and much more. Interesting and rich sample from a no longer productive location.

Mineral Data
What's on the rock

Chabazite-K

Formula: 
(K2,Ca,Na2,Sr,Mg)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0
Streak: 
White
Type Locality: 
Ercolano, Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Phillipsite-K

Formula: 
(K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Strunz: 
9.GC.10
Crystal System: 
Monoclinic
Hardness: 
4.0 - 5.0
Colour: 
White
Streak: 
White
Type Locality: 
Capo di Bove, Rome Province, Latium, Italy

Seller Information

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