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Siudaite

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SKY827575

Siudaite

Type Locality

Description Tabs

Description
Locality: 
Eveslogchorr Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.8 × 0.5 cm
Description

Outstanding dark orange crystals of the new and very rare mineral siudaite (IMA 2017-092) from the type and only known locality worlwide in Khibiny.

 

Mineral Data
What's on the rock

Siudaite

Formula: 
Na8(Mn2+2Na)Ca6(Fe3+,Mn2+)3Zr3NbSi24(Si,◻,Ti)O74(OH)2Cl·5H2O
Group Parent: 
Eudialyte Group
Crystal System: 
Trigonal
Colour: 
Yellow, yellow-orange; deep red (when oxidized)
Type Locality: 
Eveslogchorr Mt, Khibiny Massif, Murmanskaya Oblast', Northern Region, Russia...

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