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Montesommaite & Phillipsite

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SER757504

Montesommaite & Phillipsite

Type Locality

Description Tabs

Description
Locality: 
Monte Somma, Vesuvius, Campania, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.1 × 0.5 cm
Description

some colourless montesommaite crystals in vug with phillipsite

Mineral Data
What's on the rock

Montesommaite

Formula: 
(K,Na)9Al9Si23O64·10H2O
Strunz: 
9.GB.30
Hardness: 
0.0
Type Locality: 
Pollena quarries, Pollena - Trocchia area, Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Phillipsite

Synonym Of: 

Phillipsite-Ca

Formula: 
(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32 . 12H2O
Strunz: 
9.GC.10
Hardness: 
4.0 - 5.0

Phillipsite-K

Formula: 
(K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Strunz: 
9.GC.10
Hardness: 
4.0 - 5.0

Phillipsite-Na

Formula: 
(Na,K,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32]·12H2O
Strunz: 
9.GC.10
Hardness: 
4.0 - 5.0
Group Parent: 
Zeolite Group