Epidote and Chrysoprase Physical Properties

Epidote

Chrysoprase

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.502.58-2.64

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Fibrous

Gems, Sixth Edition (2006)

1.6 Cleavage

{001} perfect and {100} imperfect

None

1.7 Mohs Hardness

6-76.5-7

2 10

1.8 Chemical Composition

CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO₂ (with a high level of nickel impurities )

Epidote and Chrysoprase Chemical Formula

While comparing Epidote 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 Epidote and Chrysoprase chemical formula.

Chemical formula of Epidote- CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Epidote and Chrysoprase Specific Gravity

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