Clinozoisite and Annabergite Physical Properties

Clinozoisite

Annabergite

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1 Physical Properties

1.1 Tenacity

Brittle

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.21-3.383.07

1 7.18

1.5 Fracture

Irregular/uneven, Uneven

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect on {001}

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

1.7 Mohs Hardness

6-72

2 10

1.8 Chemical Composition

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

Ni3(AsO4)2•8(H2O)

Clinozoisite and Annabergite Chemical Formula

While comparing Clinozoisite and Annabergite 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 Clinozoisite and Annabergite chemical formula.

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

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Clinozoisite and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Clinozoisite and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Clinozoisite and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Clinozoisite is 3.07 whereas that of Annabergite is 3.07.