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Eosphorite
Eosphorite

Feldspar
Feldspar



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Eosphorite
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Feldspar

Eosphorite and Feldspar Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.05-3.082.56-2.75
1 7.18
👆🏻

Fracture

Subconchoidal, Uneven, Conchoidal
Uneven, Conchoidal

Cleavage

Poor on {100}
two or three

Mohs Hardness

56-6.5
2 10
👆🏻

Chemical Composition

Mn2+ Al(PO 4)(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
KAlSi3O8

Eosphorite and Feldspar Chemical Formula

While comparing Eosphorite and Feldspar 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 Eosphorite and Feldspar chemical formula.

  • Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Feldspar- KAlSi3O8

Eosphorite and Feldspar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Feldspar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Feldspar Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 2.56-2.75 whereas that of Feldspar is 2.56-2.75.