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Låvenite Wöhlerite Sanidine

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ZLT1086547

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Description
Locality: 
In den Dellen Quarries, Niedermendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 1.4 × 1.4 cm
Description

Short prismatic crystals of låventite in epitaxial intergrowth with small wöhlerite in a vug of sanidinite, FOV 3.4 mm..

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Mineral Data
What's on the rock

LÃ¥venite

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

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

Sanidine

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic - Prismatic
Hardness: 
6.0
Streak: 
White
Type Locality: 
Drachenfels, Königswinter, Siebengebirge, North Rhine-Westphalia, Germany

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Shipping Information

Postage Area Price
Germany Tracked : 4.8
€4.80
EU Tracked Zone 1 € 10.50 Zone 2: €12.00
€10.50
Non EU Europe GB, CH, NO tracked : € 18
€16
USA CDN AU NZ, Japan fitting in boxes 25 mm high tracked 16
€16

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