Ruby and Antigorite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.97-4.05
  
2.58-2.80
  
Fracture
Conchoidal
  
Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)
  
Cleavage
No true cleavage
  
{001} Good
  
Mohs Hardness
9
  
5-5.5
  
Chemical Composition
Al 2 O 3
  
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
  
Ruby and Antigorite Chemical Formula
While comparing Ruby and Antigorite 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 Ruby and Antigorite chemical formula.
- Chemical formula of Ruby- Al 2 O 3
- Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Ruby and Antigorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ruby and Antigorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Antigorite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.58-2.80 whereas that of Antigorite is 2.58-2.80.
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