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Phillipsite & Chlorite

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ZLT130160

Phillipsite & Chlorite

Description Tabs

Description
Locality: 
Roßberg Quarry, Roßdorf, Darmstadt-Dieburg, Darmstadt, Hesse, Hesse, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.1 × 2.7 × 2.5 cm
Description

Rare red coloured phillipsite crystals with greenish chlorite. Old specimen from about 1970.

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

Chlorite

Synonym Of: 

Chlorite Group

Group Parent: 
Chlorite
Crystal System: 
Monoclinic
Hardness: 
2 - 2.5
Colour: 
Green, Grey, Brown
Streak: 
colourless

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