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Amethyst
Amethyst

Eosphorite
Eosphorite



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Amethyst
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Eosphorite

Amethyst and Eosphorite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

insoluble in common solvents
-

Durability

-
-

Specific Gravity

2.653.05-3.08
1 7.18
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Fracture

Conchoidal, ConchoidalWalter Schumann
Subconchoidal, Uneven, Conchoidal

Cleavage

Indiscernible
Poor on {100}

Mohs Hardness

75
2 10
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Chemical Composition

SiO2
Mn2+ Al(PO 4)(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Amethyst and Eosphorite Chemical Formula

While comparing Amethyst and Eosphorite 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 Amethyst and Eosphorite chemical formula.

  • Chemical formula of Amethyst- SiO2
  • Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Amethyst and Eosphorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Eosphorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Eosphorite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.05-3.08 whereas that of Eosphorite is 3.05-3.08.