Epidote and Brookite Physical Properties

Epidote

Brookite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.25-3.503.87-4.14

1 7.18

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Fracture

Conchoidal, Fibrous

Subconchoidal, Conchoidal

Cleavage

{001} perfect and {100} imperfect

Poor on {120}, in traces on {001}

Mohs Hardness

6-75.5-6

2 10

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Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Epidote and Brookite Chemical Formula

While comparing Epidote and Brookite 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 Brookite 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 Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

Epidote Vs Gedrite

Epidote Vs Goethite

Epidote Vs Hessonite

Epidote and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Epidote and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Epidote and Brookite Optical Properties during the identification of gemstone. Specific gravity of Epidote is 3.87-4.14 whereas that of Brookite is 3.87-4.14.