Labradorite and Hemimorphite Physical Properties

Labradorite

Hemimorphite

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Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

2.69-2.723.30-3.50

1 7.18

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Fracture

Uneven, Conchoidal

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

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

Perfect on {110}, poor on {101}, {001} rare

Mohs Hardness

6-6.55

2 10

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Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Labradorite and Hemimorphite Chemical Formula

While comparing Labradorite and Hemimorphite 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 Hemimorphite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Labradorite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.