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Carbokentbrooksite & Zirsilite-(Ce)

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CSL625659

Carbokentbrooksite & Zirsilite-(Ce)

Rare Mineral

Description Tabs

Description
Locality: 
Dara-i-Pioz Glacier, Tien Shan Mountains, Region of Republican Subordination, Tajikistan
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.4 × 1.7 × 2.1 cm
Description

Carbokentbrooksite is a one locality eudyalite group mineral, with a unique, but quite complex chemistry. It forms yellow grains in quartz matrix. Original label says there's also zirsilite-(Ce) present with carbokentbrooksite.

Mineral Data
What's on the rock

Carbokentbrooksite

Formula: 
Na11-12(Na,Ce)3Ca6Mn3Zr3Nb[(OH)3|CO3|(Si3O9)2|(Si9O27)2SiO]·H2O
Strunz: 
9.CO.10
Hardness: 
5.0 - 0.0
Streak: 
white
Type Locality: 
Darai-Pioz Glacier (Dara-i-Pioz; Dara-Pioz), Alai Range (Alayskiy), Tien Shan Mtn, Region of Republican Subordination, Tajikistan

Zirsilite-(Ce)

Formula: 
Na11-12(Ce,Na)3Ca6Mn3Zr3Nb(Si19O55)(Si3O9)2(CO3)(OH)3·H2O
Strunz: 
9.CO.10
Hardness: 
5.0 - 0.0
Streak: 
white
Type Locality: 
Darai-Pioz Glacier (Dara-i-Pioz; Dara-Pioz), Alai Range (Alayskiy), Tien Shan Mtn, Region of Republican Subordination, Tajikistan
Loranth Minerals

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