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Prehnite & Pleonaste

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CR1153869

Description Tabs

Description
Locality: 
Dumbarton Muir, Scotland, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.3 × 2.2 cm
Description

This is a very old prehnite specimen from Scotland.

Greygreen globular prehnite wit black intergrown pleaonast crystals on the back side.

With two old labels.

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

Pleonaste

Variety Of: 

Spinel

Formula: 
MgAl2O4
Strunz: 
4.BB.05
Hardness: 
7.5 - 8.0
Hardness: 
0.0

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$10
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Start 02 Jan 18:00
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Shipping Information

Postage Area Price
Germany
6.50
Europe
9
Rest of World
$12.50
USA
15

Bid History

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