Hibonite and Labradorite Physical Properties

Hibonite

Labradorite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.842.69-2.72

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

{0001} good, {10 1 0} parting

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

1.7 Mohs Hardness

7.5-86-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)_1-2Si_3-2O₈

Hibonite and Labradorite Chemical Formula

While comparing Hibonite and Labradorite 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 Hibonite and Labradorite chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Hibonite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.