Plasma and Zoisite Physical Properties
Tenacity
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Solubility
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Not Available
  
Durability
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Specific Gravity
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3.20-3.50
  
Fracture
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Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even
  
Cleavage
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Perfect {010} imperfect {100}
  
Mohs Hardness
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6-7
  
Chemical Composition
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Ca2Al3(SiO4)3(OH)
  
Plasma and Zoisite Chemical Formula
While comparing Plasma and Zoisite 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 Plasma and Zoisite chemical formula.
>- Chemical formula of Zoisite- Ca2Al3(SiO4)3(OH)
Plasma and Zoisite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Plasma and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plasma and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Plasma is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.