Milky quartz and Moonstone Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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2.56-2.60
  
Fracture
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Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
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2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
  
Mohs Hardness
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6-6.5
  
Chemical Composition
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Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
  
Milky quartz and Moonstone Chemical Formula
While comparing Milky quartz and Moonstone 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 Milky quartz and Moonstone chemical formula.
>- Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
Milky quartz and Moonstone Specific Gravity
Another important criteria for qualitative analysis of gemstones is Milky quartz and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Milky quartz and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Milky quartz is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.