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Zinnwaldite
Hibonite
Hibonite and Zinnwaldite Physical Properties
Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
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
Optical Properties >>
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