Demantoid and Labradorite Physical Properties

Demantoid

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

3.77-3.952.69-2.72

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.56-6.5

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

(Na,Ca)_1-2Si_3-2O₈

Demantoid and Labradorite Chemical Formula

While comparing Demantoid 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 Demantoid and Labradorite chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

Compare Green Gemstones

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Demantoid and Labradorite Specific Gravity

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