Sardonyx and Labradorite Physical Properties

Sardonyx

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

2.55-2.702.69-2.72

1 7.18

1.5 Fracture

Not Available

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

6.5-76-6.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

(Na,Ca)_1-2Si_3-2O₈

Sardonyx and Labradorite Chemical Formula

While comparing Sardonyx 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 Sardonyx and Labradorite chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Sardonyx and Labradorite Specific Gravity

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