Eosphorite and Sardonyx Physical Properties

Eosphorite

Sardonyx

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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

3.05-3.082.55-2.70

1 7.18

1.5 Fracture

Subconchoidal, Uneven, Conchoidal, Uneven

Not Available

1.6 Cleavage

Poor on {100}

Not Available

1.7 Mohs Hardness

56.5-7

2 10

1.8 Chemical Composition

Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

SiO 2Ulrich Henn and Claudio C.

Eosphorite and Sardonyx Chemical Formula

While comparing Eosphorite and Sardonyx 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 Sardonyx chemical formula.

Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

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Eosphorite and Sardonyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.