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Phillipsite-K & Calcite

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ZLT131422

Phillipsite-K & Calcite

Description Tabs

Description
Locality: 
Oberwiddersheim, Nidda, Wetteraukreis, Darmstadt, Hesse, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
0.9 × 1.8 × 1.5 cm
Largest Crystal: 
0.50cm
Description

Well shaped phillipsite twin with some clay inclusions and calcite. Frrom about 1971.

Mineral Data
What's on the rock

Phillipsite-K

Formula: 
(K,Na,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: 
Capo di Bove, Rome Province, Latium, Italy

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Seller Information

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