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Umbozerite & Ussingite

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CFL878981

Umbozerite & Ussingite

Type Locality

Description Tabs

Description
Locality: 
Karnasurt Mountain, Lovozero Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1 × 1 cm
Description

Type locality specimen of dark acicular umbozerite in massive ussingite.

Mineral Data
What's on the rock

Umbozerite

Formula: 
Na3Sr4Th[Si(O,OH)3-4]8
Strunz: 
9.HG.15
Crystal System: 
Amorphous
Hardness: 
5.0
Type Locality: 
Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Ussingite

Formula: 
Na2AlSi3O8OH
Strunz: 
9.EH.20
Crystal System: 
Triclinic
Hardness: 
6.0 - 7.0
Streak: 
white
Type Locality: 
Kangerluarsuk Fjord (Kangerdluarssuq Fjord), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

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