Kyanite Cyprine and Labradorite Physical Properties

Kyanite Cyprine

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

3.55-3.702.69-2.72

1 7.18

1.5 Fracture

Gemstones (2009)

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

4-76-6.5

2 10

1.8 Chemical Composition

Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references

(Na,Ca)_1-2Si_3-2O₈

Kyanite Cyprine and Labradorite Chemical Formula

While comparing Kyanite Cyprine 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 Kyanite Cyprine and Labradorite chemical formula.

Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Kyanite Cyprine and Labradorite Specific Gravity

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