Alexandrite and Eosphorite Physical Properties

Alexandrite

Eosphorite

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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

3.69-3.813.05-3.08

1 7.18

1.5 Fracture

Not Available

Subconchoidal, Uneven, Conchoidal, Uneven

1.6 Cleavage

1,1 ; 3,2.

Poor on {100}

1.7 Mohs Hardness

8.55

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

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

Alexandrite and Eosphorite Chemical Formula

While comparing Alexandrite 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 Alexandrite and Eosphorite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems for Scorpio

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Alexandrite Vs Gahnospinel

Alexandrite and Eosphorite Specific Gravity

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