Annabergite and Clinozoisite Physical Properties

Annabergite

Clinozoisite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.073.21-3.38

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Irregular/uneven, Uneven

1.6 Cleavage

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

Perfect on {001}

1.7 Mohs Hardness

26-7

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Annabergite and Clinozoisite Chemical Formula

While comparing Annabergite and Clinozoisite 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 Clinozoisite chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Annabergite and Clinozoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Clinozoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Clinozoisite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 3.21-3.38 whereas that of Clinozoisite is 3.21-3.38.