Alexandrite and Scheelite Physical Properties

Alexandrite

Scheelite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.69-3.815.9-6.3

1 7.18

1.5 Fracture

Not Available

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

1,1 ; 3,2.

On {101}, distinct; on {112}, interrupted; on {001}, indistinct

1.7 Mohs Hardness

8.54.5-5

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Alexandrite and Scheelite Chemical Formula

While comparing Alexandrite and Scheelite 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 Scheelite chemical formula.

Chemical formula of Alexandrite- BeAl ₂ O ₄
Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Alexandrite and Scheelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Scheelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Scheelite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 5.9-6.3 whereas that of Scheelite is 5.9-6.3.