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Johachidolite

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GND105907

Johachidolite

Rare Mineral

Description Tabs

Description
Locality: 
Pyant Gyi Mine, Pein-Pyit, Mogok, Pyin-Oo-Lwin District, Mandalay, Myanmar (former Burma)
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 2.6 × 2 cm
Description

Named for its type locality in North Korea, johachidolite - CaAlB3O7 forms as attractive orange partial crystal on a matrix of Quartz with Muscovite.

This locality is only one of two known for this very rare mineral and has undoubtably produced the best known examples of the species.

Mineral Data
What's on the rock

Johachidolite

Formula: 
CaAlB3O7
Strunz: 
6.CC.05
Hardness: 
7.5
Streak: 
White
Type Locality: 
Sangpal-tong (Johachido), Changbaeng-myon, Kilchu-gun, North Hamgyong Province, North Korea
Gondwana Minerals