Epidote and Moonstone Physical Properties

Epidote

Moonstone

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.25-3.502.56-2.60

1 7.18

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Fracture

Conchoidal, Fibrous

Uneven, ConchoidalWalter Schumann

Cleavage

{001} perfect and {100} imperfect

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Mohs Hardness

6-76-6.5

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

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Epidote and Moonstone Chemical Formula

While comparing Epidote and Moonstone 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 Moonstone 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 Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare Brown Gemstones

Epidote Vs Gedrite

Epidote Vs Goethite

Epidote Vs Hessonite

Epidote and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Epidote and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Epidote and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Epidote is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.