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Moonstone
Moonstone

Sapphire
Sapphire



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Moonstone and Sapphire Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.56-2.60
3.95-4.03
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
None, but may exhibit parting
1.7 Mohs Hardness
6-6.5
9
1.8 Chemical Composition
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
Al 2 O 3

Moonstone and Sapphire Chemical Formula

While comparing Moonstone and Sapphire 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 Moonstone and Sapphire chemical formula.

  • Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
  • Chemical formula of Sapphire- Al 2 O 3

Moonstone and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.