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Formula: CaTiO3
Simple oxide, perovskite subgroup,
perovskite supergroup,
titanium-bearing mineral
Dysanalyte is a niobium-bearing variety of perovskite
Crystal System: Orthorhombic
Specific gravity: 3.98 to 4.26 measured, 4.02 calculated
Hardness: 5½
Streak: Colourless, greyish white
Colour: Dark brown, black, red-brown, yellow shades
Solubility: Insoluble in hydrochloric and nitric acids; slightly soluble in sulphuric acid
Common impurities: Fe,Nb,Ce,La,TR
Environments:
Plutonic igneous environments
Carbonatites
Metamorphic environments
Perovskite is an accessory mineral in silica-poor rocks, such as
nepheline syenite,
kimberlite (common) and carbonatite. It also occurs in
calcareous skarn. It is common in chlorite,
talc or serpentine rocks
(Webmin, HOM). Associated minerals include åkermanite –
gehlenite, nepheline,
titanite, ilmenite and
magnetite
(HOM).
Localities
The type locality is the Akhmatovskaya Kop', Nazyamskie Mountains, Zlatoust, Chelyabinsk Oblast, Russia.
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