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Steatite
Steatite

Alexandrite
Alexandrite



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Steatite
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Alexandrite

Steatite and Alexandrite 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
2.20-2.803.69-3.81
Amber
1 7.18
1.5 Fracture
Not Available
Not Available
1.6 Cleavage
Not Available
1,1 ; 3,2.
1.7 Mohs Hardness
Not Available8.5
Amber
2 10
1.8 Chemical Composition
Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
BeAl 2 O 4

Steatite and Alexandrite Chemical Formula

While comparing Steatite 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 Steatite and Alexandrite chemical formula.

  • Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
  • Chemical formula of Alexandrite- BeAl 2 O 4

Steatite and Alexandrite Specific Gravity

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