Rhodolite and Hematite Physical Properties

Rhodolite

Hematite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.845.00-5.30

1 7.18

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Fracture

Conchoidal

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

none, may show indistinct parting

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

Mohs Hardness

7-7.56

2 10

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Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

Fe 2O 3Arthur Thomas , Gemstones (2009)

Rhodolite and Hematite Chemical Formula

While comparing Rhodolite 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 Rhodolite and Hematite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Rhodolite and Hematite Specific Gravity

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