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Phillipsite

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Phillipsite

ex George Fletcher Collection #2396

Description Tabs

Description
Locality: 
Steinberg, Mühldorf bei Feldbach, Südoststeiermark District, Styria, Austria
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2 × 1.8 cm
Description

 A 2.5cm cavity is richly lined with phillipsite crystals which give a yellowish appearance but when viewed under the microscope ar colourless and transparent.  The tiny specks take on a dendritic development and are reddish in colour - Could this be native copper?

Specimen acquired in 1992.

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
Provenance

George Fletcher Collection

Tue, 2015-09-29 15:51 -- admin
Some History
Name: 
George Fletcher
Dates: 
present
Type: 
Collector/Collection
Specialisms: 
Derbyshire/Midlands, Weardale, United Kingdom
About

George Fletcher lives, worked and collected a lot in the Derbyshire, Peak distrct however as a prolific collector travelled all over the...

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