Adamite and Chrysoprase Physical Properties

Adamite

Chrysoprase

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

2.58-2.64

1.5 Fracture

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

Gems, Sixth Edition (2006)

1.6 Cleavage

{101}, good; {010}, poor

None

1.7 Mohs Hardness

3.5

6.5-7

1.8 Chemical Composition

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

SiO₂ (with a high level of nickel impurities )

Adamite and Chrysoprase Chemical Formula

While comparing Adamite and Chrysoprase 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 Adamite and Chrysoprase chemical formula.

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

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Adamite and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Adamite and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Adamite and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Adamite is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.