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Hibonite and Zinnwaldite Physical Properties


Physical Properties

Tenacity
Elastic   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.9-3.1   
3.84   

Fracture
Uneven   
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   

Cleavage
Perfect basal {001}   
{0001} good, {10 1 0} parting   

Mohs Hardness
3.5-4.0   
7.5-8   

Chemical Composition
Not Available   
(Ca,Ce)(Al,Ti,Mg)12O19   

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