Colemanite and Labradorite Physical Properties

Colemanite

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

2.40-2.422.69-2.72

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

{010} Perfect, {001} Distinct

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

1.7 Mohs Hardness

4.56-6.5

2 10

1.8 Chemical Composition

Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

(Na,Ca)_1-2Si_3-2O₈

Colemanite and Labradorite Chemical Formula

While comparing Colemanite 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 Colemanite and Labradorite chemical formula.

Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

Compare Colorless Gems

Colemanite Vs Diaspore

Colemanite Vs Cubic Zirconia

Colemanite Vs Datolite

Colemanite and Labradorite Specific Gravity

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