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Adachiite

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FRE512822

Adachiite

Type Locality

Description Tabs

Description
Locality: 
Kaneko Pit, Kiura Mine, Saiki City, Oita Prefecture, Kyushu Region, Japan
Class: 
Massive/Crystalline
Size Range: 
Micromount (under 1cm)
Size: 
0.2 × 0.4 × 0.4 cm
Description

A small chip (4x4x2 mm) made of black crystals of adachiite showing some faces, intergrown with margarite. Kiura Mine is the type and only locality for the species. Very rare.

Mineral Data
What's on the rock

Adachiite

Formula: 
CaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH)
Hardness: 
0.0
Type Locality: 
Kiura mine (Shin-Kiura mine; Kiura emery mine), Saiki City, Oita prefecture, Kyushu Region, Japan

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