Andesine and Hematite Physical Properties

Andesine

Hematite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.65-2.695.00-5.30

1 7.18

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Fracture

Uneven, Conchoidal

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

Perfect on {001}, good on {010}

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

Mohs Hardness

6-6.56

2 10

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Chemical Composition

(Na,Ca)Al_1-2Si_3-2O₈

Fe 2O 3Arthur Thomas , Gemstones (2009)

Andesine and Hematite Chemical Formula

While comparing Andesine 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 Andesine and Hematite chemical formula.

Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

Compare Red Gemstones

Andesine Vs Aragonite

Andesine Vs Astrophyllite

Andesine Vs Black Opal

Andesine and Hematite Specific Gravity

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