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Kilchoanite & Spurrite & Gehlenite

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SKY955897

Kilchoanite & Spurrite & Gehlenite

Rare Mineral

Description Tabs

Description
Locality: 
Fuka Mine, Bitchu-cho, Takahashi, Honshu Island, Japan
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.7 × 1.3 cm
Description

White veinlets of kilchoanite associated to violet spurrite and brownish black gehlenite from Japan

Ex Vandenbroucke Museum collection from Waregem, Belgium.

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

Spurrite

Formula: 
Ca5(SiO4)2(CO3)
Strunz: 
9.AH.15
Hardness: 
5.0
Streak: 
white
Type Locality: 
Terneras Mine, Velardeña, Velardeña District, Mun. de Cuencamé, Durango, Mexico

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

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