Chrysoprase and Adamite Physical Properties

Chrysoprase

Adamite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.644.32-4.48

1 7.18

1.5 Fracture

Gems, Sixth Edition (2006)

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

None

{101}, good; {010}, poor

1.7 Mohs Hardness

6.5-73.5

2 10

1.8 Chemical Composition

SiO₂ (with a high level of nickel impurities )

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

Chrysoprase and Adamite Chemical Formula

While comparing Chrysoprase and Adamite 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 Chrysoprase and Adamite chemical formula.

Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )
Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

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Chrysoprase and Adamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoprase and Adamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoprase and Adamite Optical Properties during the identification of gemstone. Specific gravity of Chrysoprase is 4.32-4.48 whereas that of Adamite is 4.32-4.48.