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Phillipsite

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WND843858

Phillipsite

Classic Locality

Description Tabs

Description
Locality: 
Giant's Causeway, County Antrim, Northern Ireland, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 4.6 × 3.7 cm
Description

Numerous of cream-white crystals of zeolite Phillipsite lining a vug. The Phillipsite is well developed, sharp edged and highly lustrous. The crystals are lucent to transparent and almost good terminated. I nice specimen from a rather not so well known locality.

Mineral Data
What's on the rock

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
Wendel Minerals

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