Demantoid Garnet and Pumpellyite Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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3.20-3.30
  
Fracture
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Cleavage
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Mohs Hardness
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5-6
  
Chemical Composition
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Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
  
Demantoid Garnet and Pumpellyite Chemical Formula
While comparing Demantoid Garnet and Pumpellyite 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 Demantoid Garnet and Pumpellyite chemical formula.
>- Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.
Demantoid Garnet and Pumpellyite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Demantoid Garnet and Pumpellyite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid Garnet and Pumpellyite Optical Properties during the identification of gemstone. Specific gravity of Demantoid Garnet is 3.20-3.30 whereas that of Pumpellyite is 3.20-3.30.