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Delhayelite

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CSL87516

Delhayelite

Rare Mineral

Description Tabs

Description
Locality: 
Kirovskii Mine, Kukisvumchorr Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1.8 × 0.4 cm
Description

Rare silicate mineral delhayelite, occurs as greyish cleavage fragment without matrix.

Mineral Data
What's on the rock

Delhayelite

Formula: 
(Na,K)10Ca5Al6Si32O80(Cl2,F2,SO4)3·18H2O
Strunz: 
9.EB.10
Crystal System: 
Orthorhombic
Hardness: 
0.0
Type Locality: 
Mt Shaheru, Mt Nyiragongo, Goma, Kivu, Democratic Republic of Congo (Zaïre)
Loranth Minerals

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