Hematite and Glaucophane Physical Properties

Hematite

Glaucophane

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

5.00-5.303-3.15

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann, Conchoidal

Conchoidal

Cleavage

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

Good on [110] and on [001]

Mohs Hardness

66.0-6.5

2 10

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Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

[ ]Na2(Mg3Al2)Si8O22(OH)2

Hematite and Glaucophane Chemical Formula

While comparing Hematite and Glaucophane 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 Hematite and Glaucophane chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2

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Hematite and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Hematite is 3-3.15 whereas that of Glaucophane is 3-3.15.