Labradorite and Celestine Physical Properties

Labradorite

Celestine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.69-2.723.90-4.00

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

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

1.6 Cleavage

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

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

6-6.53-3.5

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Labradorite and Celestine Chemical Formula

While comparing Labradorite and Celestine 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 Celestine chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Labradorite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.