Adamite and Hematite Physical Properties

Adamite

Hematite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.485.00-5.30

1 7.18

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

{101}, good; {010}, poor

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

1.7 Mohs Hardness

3.56

2 10

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Fe 2O 3Arthur Thomas , Gemstones (2009)

Adamite and Hematite Chemical Formula

While comparing Adamite 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 Adamite and Hematite chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Adamite and Hematite Specific Gravity

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