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Tvedalite

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GMN968474

Tvedalite

Type Locality

Description Tabs

Description
Locality: 
Vevja Quarry, Tvedalen, Larvik, Vestfold og Telemark, Norway
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
0.7 × 0.7 × 1 cm
Description

Beige ball of tabular crystals on matrix.
 

Mineral Data
What's on the rock

Tvedalite

Formula: 
(Ca,Mn)4Be3Si6O17(OH)4·3H2O
Strunz: 
9.DF.20
Crystal System: 
Orthorhombic
Hardness: 
4.5
Streak: 
white
Type Locality: 
Vevja Quarry, Tvedalen, Larvik, Vestfold, Norway

Seller Information

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