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Alexandrite
Alexandrite

Simpsonite
Simpsonite



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Alexandrite
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Simpsonite

Alexandrite and Simpsonite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.69-3.81Not Available
Amber
1 7.18
1.5 Fracture
Not Available
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
1,1 ; 3,2.
None
1.7 Mohs Hardness
8.57-7.5
Amber
2 10
1.8 Chemical Composition
BeAl 2 O 4
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Alexandrite and Simpsonite Chemical Formula

While comparing Alexandrite and Simpsonite 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 Simpsonite chemical formula.

  • Chemical formula of Alexandrite- BeAl 2 O 4
  • Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Alexandrite and Simpsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Simpsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Simpsonite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is Not Available whereas that of Simpsonite is Not Available.