Hibonite and Epidote Physical Properties

Hibonite

Epidote

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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

3.843.25-3.50

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

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

1.6 Cleavage

{0001} good, {10 1 0} parting

{001} perfect and {100} imperfect

1.7 Mohs Hardness

7.5-86-7

2 10

1.8 Chemical Composition

(Ca,Ce)(Al,Ti,Mg)12O19

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

Hibonite and Epidote Chemical Formula

While comparing Hibonite and Epidote 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 Hibonite and Epidote chemical formula.

Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Chemical formula of Epidote- CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hibonite and Epidote Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibonite and Epidote Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Epidote Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.25-3.50 whereas that of Epidote is 3.25-3.50.