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Phillipsite-Na

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QRI785368

Phillipsite-Na

Former collection Christian Mavris

Description Tabs

Description
Locality: 
Palagonia, Catania Province, Sicily, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 5.6 × 4 cm
Largest Crystal: 
0.50cm
Weight: 
83.00gr
Description

Delicate candid white phillipsite-Na tuffs populating a brown basaltic matrix specimen, with a couple of openings on the main vein. Phillipsite-Na is pretty good for the locality. The core is possibly gonnardite.

Well balanced and good quality specimen from this locality, unusually spotted on the international market. Acquired in 2010 from a Sicilian collector, sought-after and pretty scarce.

Mineral Data
What's on the rock

Phillipsite-Na

Formula: 
(Na,K,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: 
Rupe di Aci Castello, Aci Castello, Etna Volcanic Complex, Catania Province, Sicily, Italy

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