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Perovskite Var Knopite

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PJM92057

Perovskite Var Knopite

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Afrikanda Massif, Murmansk Oblast, Russian Federation
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.4 × 1.4 cm
Description

A blocky 1.4 cm dipyramidal perovskite variety knopite, the cerium rich variety, with dipyramidal crystal structute with a cube modification on a pillar of calcite and snmaller perovskites

Mineral Data
What's on the rock

Perovskite

Formula: 
CaTiO3
Strunz: 
4.CC.30
Hardness: 
5.5
Type Locality: 
Akhmatovskaya Kop' (Achmatovsk Mine), Nazyamskie Mts, Zlatoust, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

Knopite

Variety Of: 

Perovskite

Formula: 
CaTiO3
Strunz: 
4.CC.30
Hardness: 
5.5
Formula: 
(Ca,Ce,Na)(Ti,Fe)O3
Hardness: 
0.0
Earthstones Australia

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