Labradorite and Chlorapatite Physical Properties

Labradorite

Chlorapatite

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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

2.69-2.723.17-3.18

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6-6.5Not Available

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

Labradorite and Chlorapatite Chemical Formula

While comparing Labradorite and Chlorapatite 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 Chlorapatite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

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Labradorite and Chlorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Chlorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Chlorapatite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 3.17-3.18 whereas that of Chlorapatite is 3.17-3.18.