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Agate Psm Scolecite & Calcite

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CLB509653

Agate Psm Scolecite & Calcite

ex collection Uwe Nielsen
Pseudomorph

Description Tabs

Description
Locality: 
Lierbach Valley, Oppenau, Freiburg Region, Baden-Württemberg, Germany
Class: 
Massive/Crystalline
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 6.5 × 3 cm
Description

Typical Lierbach agate with pseudomorphs after scolecite and calcite (presumed).

One face cut and polished. Minor chipping at one side.

Mineral Data
What's on the rock

Agate

Variety Of: 

Chalcedony

Hardness: 
6.5 - 7.0
Formula: 
SiO2
Hardness: 
0.0

Scolecite

Formula: 
CaAl2Si3O10·3H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5
Streak: 
white

Calcite

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

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