Clinozoisite and Labradorite Physical Properties

Clinozoisite

Labradorite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.21-3.382.69-2.72

1 7.18

1.5 Fracture

Irregular/uneven, Uneven

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on {001}

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

1.7 Mohs Hardness

6-76-6.5

2 10

1.8 Chemical Composition

Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

(Na,Ca)_1-2Si_3-2O₈

Clinozoisite and Labradorite Chemical Formula

While comparing Clinozoisite 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 Clinozoisite and Labradorite chemical formula.

Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Clinozoisite and Labradorite Specific Gravity

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