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Apophyllite Scolecite

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BMM1171613

Description Tabs

Description
Locality: 
Das Antas Tunnel, Veranópolis, Rio Grande do Sul, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5 × 3.5 cm
Description

Large, highly lustrous, and transparent apophyllite crystals, accented by a few white scolecite needles. The specimen originates from the systematic collection of Albert Strasser and was acquired in 1965. The original Albert Strasser collection label is included.

Mineral Data
What's on the rock

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

Scolecite

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

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Start 14 Mar 18:00
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Austria
7
EU
19
Rest of Europe
21
USA, Canada, Japan, 1 kg
28
Australia, New Zealand, 1 kg
33

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