Zinnwaldite and Hibonite Physical Properties

Zinnwaldite

Hibonite

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1 Physical Properties

1.1 Tenacity

Elastic

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.13.84

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

Perfect basal {001}

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

3.5-4.07.5-8

2 10

1.8 Chemical Composition

Not Available

(Ca,Ce)(Al,Ti,Mg)12O19

Zinnwaldite and Hibonite Chemical Formula

While comparing Zinnwaldite and Hibonite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Zinnwaldite and Hibonite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

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Zinnwaldite and Hibonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Zinnwaldite and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zinnwaldite and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Zinnwaldite is 3.84 whereas that of Hibonite is 3.84.