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Moonstone
Moonstone

Willemite
Willemite



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Moonstone
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Moonstone and Willemite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.56-2.60
3.89-4.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven
1.6 Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
{0001}, {11 2 0} imperfect
1.7 Mohs Hardness
6-6.5
5.5
1.8 Chemical Composition
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Moonstone and Willemite Chemical Formula

While comparing Moonstone and Willemite 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 Willemite chemical formula.

  • Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
  • Chemical formula of Willemite- Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Moonstone and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Willemite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3.89-4.18 whereas that of Willemite is 3.89-4.18.