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Prehnite Psm Apophyllite & Clinozoisite

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CLB552215

Prehnite Psm Apophyllite & Clinozoisite

Pseudomorph

Description Tabs

Description
Locality: 
Glasberg Quarry, Nieder-Beerbach, Odenwald, Hesse, Germany
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.5 × 2.5 cm
Description

Very rare: colorless prehnite pseudomorph after apophyllite crystals with lots of shorter, beige clinozoisite needles.

Mineral Data
What's on the rock

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa

Apophyllite

Synonym Of: 

Fluorapophyllite-(K)

Formula: 
KCa4(Si8O20)(F,OH)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.5 - 5.0

Fluorapophyllite-(Na)

Formula: 
NaCa4(Si8O20)F·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Hydroxyapophyllite-(K)

Formula: 
KCa4(Si8O20)(OH,F)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Clinozoisite

Formula: 
{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05a
Hardness: 
7.0
Type Locality: 
Gösleswand (Goslerwand), Prägraten, Virgen Valley, East Tyrol, Tyrol, Austria

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