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Legrandite & Köttigite

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BCK852815

Legrandite & Köttigite

Rare Mineral

Description Tabs

Description
Locality: 
Ohgibira Mine, Ohsa-Osakabe, Niimi City, Okayama Prefecture, Honshu Island, Japan
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.9 × 0.5 × 0.4 cm
Description

You are bidding on a small and very rare sample with some nice crystals of legrandite on matrix with minor blue kottigite from this super rare locality in Japan! 

Mineral Data
What's on the rock

Legrandite

Formula: 
Zn2(AsO4)(OH)·H2O
Strunz: 
8.DC.10
Crystal System: 
Monoclinic
Hardness: 
4.5
Streak: 
White
Type Locality: 
Flor de Peña Mine, Lampazos de Naranjo (Lampazos), Mun. de Lampazos de Naranjo, Nuevo Leon, Mexico

Köttigite

Formula: 
Zn3(AsO4)2·8H2O
Strunz: 
8.CE.40
Crystal System: 
Monoclinic Prismatic crystals or crusts
Hardness: 
2.5 - 3.0
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany

Seller Information

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