Sylvite and Hibonite Physical Properties

Sylvite

Hibonite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9933.84

1 7.18

1.5 Fracture

Uneven, Brittle

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

1.6 Cleavage

Perfect on [100], [010], [001]

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

2.57.5-8

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Hibonite Chemical Formula

While comparing Sylvite 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 Sylvite and Hibonite chemical formula.

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

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Sylvite and Hibonite Specific Gravity

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