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Ruby
Ruby

Moonstone
Moonstone



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Ruby and Moonstone Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.97-4.05
2.56-2.60
1.5 Fracture
Conchoidal
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
No true cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
1.7 Mohs Hardness
9
6-6.5
1.8 Chemical Composition
Al 2 O 3
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8

Ruby and Moonstone Chemical Formula

While comparing Ruby 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 Ruby and Moonstone chemical formula.

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

Ruby and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.