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Diaspore
Diaspore

Alexandrite
Alexandrite



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Diaspore
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Alexandrite

Diaspore and Alexandrite Physical Properties

1 Physical Properties
1.1 Tenacity
Very brittle
Not Available
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.30-3.403.69-3.81
Amber
1 7.18
1.5 Fracture
Conchoidal, Brittle, Conchoidal
Not Available
1.6 Cleavage
{010} perfect, {110} distinct, {100} in traces
1,1 ; 3,2.
1.7 Mohs Hardness
6.5-78.5
Amber
2 10
1.8 Chemical Composition
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
BeAl 2 O 4

Diaspore and Alexandrite Chemical Formula

While comparing Diaspore and Alexandrite 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 Diaspore and Alexandrite chemical formula.

  • Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Alexandrite- BeAl 2 O 4

Diaspore and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diaspore and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diaspore and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Diaspore is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.