Alexandrite and Whitlockite Physical Properties

Alexandrite

Whitlockite

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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

3.69-3.813.12

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

1,1 ; 3,2.

None

1.7 Mohs Hardness

8.5Not Available

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)

Alexandrite and Whitlockite Chemical Formula

While comparing Alexandrite and Whitlockite 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 Whitlockite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Whitlockite- Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)

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Alexandrite and Whitlockite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Whitlockite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Whitlockite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.12 whereas that of Whitlockite is 3.12.