Labradorite and Hibonite Physical Properties

Labradorite

Hibonite

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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

2.69-2.723.84

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

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

1.6 Cleavage

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

{0001} good, {10 1 0} parting

1.7 Mohs Hardness

6-6.57.5-8

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

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

Labradorite and Hibonite Chemical Formula

While comparing Labradorite 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 Labradorite and Hibonite chemical formula.

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

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Labradorite and Hibonite Specific Gravity

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