Labradorite and Dioptase Physical Properties

Labradorite

Dioptase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.69-2.723.25-3.35

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

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

Perfect in three directions

1.7 Mohs Hardness

6-6.55

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Labradorite and Dioptase Chemical Formula

While comparing Labradorite and Dioptase 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 Dioptase chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Labradorite and Dioptase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Dioptase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Dioptase Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 3.25-3.35 whereas that of Dioptase is 3.25-3.35.