Rhyolite and Antigorite Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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2.58-2.80
  
Fracture
Not Available
  
Conchoidal, Brittle, Metallic, Conchoidal, Handbook of mineralogy (2001)
  
Cleavage
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{001} Good
  
Mohs Hardness
7
  
5-5.5
  
Chemical Composition
Not Available
  
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
  
Rhyolite and Antigorite Chemical Formula
While comparing Rhyolite 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 Rhyolite and Antigorite chemical formula.
>- Chemical formula of Antigorite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
Rhyolite and Antigorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rhyolite and Antigorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhyolite and Antigorite Optical Properties during the identification of gemstone. Specific gravity of Rhyolite is 2.58-2.80 whereas that of Antigorite is 2.58-2.80.