Annabergite and Rutile Physical Properties

Annabergite

Rutile

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.074.20-4.30

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {010}, indistinct on {100} and {102}

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

26-6.5

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Annabergite and Rutile Chemical Formula

While comparing Annabergite and Rutile 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 Annabergite and Rutile chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Annabergite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.