Epidote and Agate Opal Physical Properties

Epidote

Agate Opal

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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

3.25-3.501.98-2.50

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

{001} perfect and {100} imperfect

Not Available

1.7 Mohs Hardness

6-75.5-6.5

2 10

1.8 Chemical Composition

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

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Epidote and Agate Opal Chemical Formula

While comparing Epidote and Agate Opal 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 Agate Opal 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 Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Compare Brown Gemstones

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Epidote and Agate Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Epidote and Agate Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Epidote and Agate Opal Optical Properties during the identification of gemstone. Specific gravity of Epidote is 1.98-2.50 whereas that of Agate Opal is 1.98-2.50.