Diaspore and Labradorite Physical Properties

Diaspore

Labradorite

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1 Physical Properties

1.1 Tenacity

Very brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.402.69-2.72

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

{010} perfect, {110} distinct, {100} in traces

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

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

(Na,Ca)_1-2Si_3-2O₈

Diaspore and Labradorite Chemical Formula

While comparing Diaspore 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 Diaspore and Labradorite chemical formula.

Chemical formula of Diaspore- AlO(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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Diaspore and Labradorite Specific Gravity

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