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Kilchoanite Rankinite Hillebrandite Perovskite & Gehlenite

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SHS74083

Kilchoanite Rankinite Hillebrandite Perovskite & Gehlenite

Description Tabs

Description
Locality: 
Fuka Mine, Bitchu-cho, Takahashi, Honshu Island, Japan
Size Range: 
Cabinet (10-18 cm)
Size: 
12 × 9.3 × 5 cm
Description

White kilchoanite in transparent rankinite grains, black gehlenite grains and brown perovskite in a vain of hildebrandite.

Mineral Data
What's on the rock

Kilchoanite

Formula: 
Ca6(SiO4)(Si3O10)
Strunz: 
9.BJ.45
Hardness: 
0.0
Type Locality: 
Kilchoan, Ardnamurchan, North West Highlands (Argyllshire), Scotland, UK

Rankinite

Formula: 
Ca3Si2O7
Strunz: 
9.BC.15
Crystal System: 
Monoclinic
Hardness: 
5.5
Type Locality: 
Scawt Hill, Larne, Co. Antrim, Northern Ireland, UK

Hillebrandite

Formula: 
Ca2(SiO3)(OH)2
Strunz: 
9.DG.40
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Terneras Mine, Velardeña, Velardeña District, Mun. de Cuencamé, Durango, Mexico

Perovskite

Formula: 
CaTiO3
Strunz: 
4.CC.30
Hardness: 
5.5
Type Locality: 
Akhmatovskaya Kop' (Achmatovsk Mine), Nazyamskie Mts, Zlatoust, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

Gehlenite

Formula: 
Ca2Al(AlSiO7)
Strunz: 
9.BB.10
Crystal System: 
Tetragonal
Hardness: 
5.0 - 6.0
Type Locality: 
Monzoni Mts, Fassa Valley, Trento Province, Trentino-Alto Adige, Italy