Labradorite and Hematite Physical Properties

Labradorite

Hematite

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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

2.69-2.725.00-5.30

1 7.18

1.5 Fracture

Uneven, Conchoidal, Gems, Sixth Edition (2006)

Uneven, Uneven, 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}

None, may show partings on {0001} and {10 1 1}

1.7 Mohs Hardness

6-6.56

2 10

1.8 Chemical Composition

(Na,Ca)_1-2Si_3-2O₈

Fe 2O 3Arthur Thomas , Gemstones (2009)

Labradorite and Hematite Chemical Formula

While comparing Labradorite and Hematite 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 Hematite chemical formula.

Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Labradorite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.