Atacamite and Celestine Physical Properties

Atacamite

Celestine

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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

3.745-3.7763.90-4.00

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Perfect on {010}, fair on {101}

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

3-3.53-3.5

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Atacamite and Celestine Chemical Formula

While comparing Atacamite and Celestine 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 Celestine chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Atacamite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Atacamite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.