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Rastsvetaevite Zirsinalite & Djerfisherite

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CSL506686

Rastsvetaevite Zirsinalite & Djerfisherite

Type Locality

Description Tabs

Description
Locality: 
Rasvumchorr Mountain, Khibiny Massif, Murmansk Oblast, Russian Federation
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 3 × 2.1 cm
Description

This is an interesting and very nice combination of few rare mineral species. Rare eudialyte group mineral rastsvetaevite froms gemmy red fragments rimmed by colorles-pale grey zirsinalite. Associating minerals are bronze-brown metallic aggregates of djerfisherite, brown tabular lamprophyllite. and some white thermonatrite on zirsinalite. Rasvumtchorr Mt. is the Type Locality of ratsvetaevite.

Mineral Data
What's on the rock

Rastsvetaevite

Formula: 
Na27K8Ca12Fe3Zr6Si52O144(O,OH,H2O)6Cl2
Strunz: 
9.CO.10
Hardness: 
5.0 - 6.0
Streak: 
white
Type Locality: 
Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Zirsinalite

Formula: 
Na6(Ca,Mn2+,Fe2+)Zr(Si6O18)
Strunz: 
9.CJ.15a
Crystal System: 
Trigonal
Hardness: 
5.5
Type Locality: 
Koashva quarry, Koashva Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Djerfisherite

Formula: 
K6(Fe,Cu,Ni)25S26Cl
Strunz: 
2.FC.05
Hardness: 
3.5
Type Locality: 
Kota-Kota meteorite (Marimba meteorite), Malawi
Loranth Minerals

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