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Umbite & Eudialyte

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SHS58071

Umbite & Eudialyte

Description Tabs

Description
Locality: 
Rasvumchorr Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.6 × 1.5 cm
Description

Umbit and eudialite in matrix

Mineral Data
What's on the rock

Umbite

Formula: 
K2(Zr,Ti)Si3O9·H2O
Strunz: 
9.DG.25
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Vuonnemiok River Valley, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Eudialyte

Formula: 
Na15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
Strunz: 
9.CO.10
Hardness: 
5.0 - 6.0
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland