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Sidorenkite & Ussingite

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SYM151960

Sidorenkite & Ussingite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.8 × 1.5 cm
Description

Brown blocky crystals of sidorenkite with erdite sticks.

Mineral Data
What's on the rock

Sidorenkite

Formula: 
Na3Mn2+(CO3)(PO4)
Strunz: 
5.BF.10
Hardness: 
2.0
Type Locality: 
Alluaiv 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