Zirkelite is an oxide mineral with formula: (Ca,Th,Ce)Zr(Ti,Nb)2O7. It occurs as well-formed fine sized isometric crystals. It is a black, brown or yellow mineral with a hardness of 5.5 and a specific gravity of 4.7.
Hardness:
5.5
Density:
4.741 g/cm³
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Properties
Characteristics
Common Questions
General Info About Zirkelite
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Physical Properties of Zirkelite
Colors
Black
Streak
Brownish black
Hardness
5.5 , Soft
Density
4.741 g/cm³, Obviously Heavy Weight
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Chemical Properties of Zirkelite
Formula
(Ti,Ca,Zr)O2-x
Elements listed
Ca, O, Ti, Zr
Characteristics of Zirkelite
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Formation of Zirkelite
Initial discovery was from the Jacupiranga carbonatite, Sao Paulo, Brazil. It is also found in Canada, Kazakhstan, Norway, Russia, South Africa, the United Kingdom, and the United States.
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