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Kapustinite & Kazakovite

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CSL103572

Kapustinite & Kazakovite

Rare Mineral

Description Tabs

Description
Locality: 
Palitra Pegmatite, Karnasurt Mine, Kedykverpakhk Mountain, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1.3 × 0.6 cm
Description

This specimen features two very rare species, both are members of Lovozerite group. The main mineral is the kapustinite, a Zr-silicate mineral, which forms purplish-brown glassy masses. The kapustinite is rimmed by mustard yellow kazakovite which is a Na-Mn-Ti-silicate. A minor matrix is attaching to the specimen.

Mineral Data
What's on the rock

Kapustinite

Formula: 
Na5(Na,Mn2+)<1Zr(H2Si6O18)
Strunz: 
9.CJ.15a
Hardness: 
6.0 - 0.0
Type Locality: 
Palitra pegmatite (Palette pegmatite), Kedykverpakhk Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...

Kazakovite

Formula: 
Na6Mn2+Ti(Si6O18)
Strunz: 
9.CJ.15a
Hardness: 
4.0
Type Locality: 
Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...
Loranth Minerals

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