Ajoite and Hematite Physical Properties

Ajoite

Hematite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.965.00-5.30

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Perfect on {010}

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

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Fe 2O 3Arthur Thomas , Gemstones (2009)

Ajoite and Hematite Chemical Formula

While comparing Ajoite 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 Ajoite and Hematite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Ajoite and Hematite Specific Gravity

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