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Amethyst

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MGR801625

Amethyst

Classic Locality

Description Tabs

Description
Locality: 
Maissau, Hollabrunn District, Lower Austria, Austria
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4 × 0.8 cm
Description

Great Austria classic, for long time the theory was that first discoveries go back to 1845. But after some archeological excavations in the last years we know that first finds were made about 2000 (!!!) years ago. The vein has a dimension of 0.5 - 1 m in thickness and a confirmed length of 400 m. The estimated length is 1000 m! This vein is provided in the "Maissauer Granit", a part of the Thayapluton. The locality is of highest relevance - the Amethyste from Maissau developed about 280 million years ago, one of the oldest amethyste on earth. Much more older than rock crystals from Alps for example (which are about 8 million years old). The specimen is a well cut and polished cross-section with amazing colors and sharp zonings - should be high valued for rarity!

Mineral Data
What's on the rock

Amethyst

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0
Colour: 
Purple