Epidote and Aragonite Physical Properties

Epidote

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.502.93-2.96

1 7.18

1.5 Fracture

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

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

{001} perfect and {100} imperfect

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

6-73.5-4

2 10

1.8 Chemical Composition

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

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Epidote and Aragonite Chemical Formula

While comparing Epidote and Aragonite 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 Aragonite 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 Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

Epidote Vs Fluorapatite

Epidote Vs Fluor buergerite

Epidote Vs Fluorite

Epidote and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Epidote and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Epidote and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Epidote is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.