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Wöhlerite & Låvenite

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JYJ758427

Wöhlerite & Låvenite

Description Tabs

Description
Locality: 
In den Dellen Quarries, Niedermendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.1 × 0.8 cm
Description

Yellow tabular wöhlerite associated with lavenite. W. Schüller & B. Ternes specimen no 2018-2-T26. 

Mineral Data
What's on the rock

Wöhlerite

Formula: 
NaCa2(Zr,Nb)(Si2O7)(O,OH,F)2
Strunz: 
9.BE.17
Hardness: 
5.5 - 6.0
Type Locality: 
Løvøya (Løvø; Lövö; Lövöe), Langesundsfjorden, Porsgrunn, Telemark, Norway

Låvenite

Formula: 
(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
Strunz: 
9.BE.17
Hardness: 
6.0
Type Locality: 
Låven (Skådön; Lamö; Lamanskjaer), Langesundsfjorden, Larvik, Vestfold, Norway