Atacamite and Clinozoisite Physical Properties

Atacamite

Clinozoisite

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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

3.745-3.7763.21-3.38

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Irregular/uneven, Uneven

1.6 Cleavage

Perfect on {010}, fair on {101}

Perfect on {001}

1.7 Mohs Hardness

3-3.56-7

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

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

Atacamite and Clinozoisite Chemical Formula

While comparing Atacamite 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 Atacamite and Clinozoisite chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3
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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Atacamite and Clinozoisite Specific Gravity

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