Hematite and Mellite Physical Properties

Hematite

Mellite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.301.58-1.60

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

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

{011} Imperfect

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Hematite and Mellite Chemical Formula

While comparing Hematite and Mellite 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 Mellite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Compare Gems for Aquarius

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Hematite Vs Angelite

Hematite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.