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Moonstone
Moonstone

Legrandite
Legrandite



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Moonstone
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Legrandite

Moonstone and Legrandite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.56-2.603.98-4.04
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Imperfect, poor one {100}
1.7 Mohs Hardness
6-6.54.5-5
Amber
2 10
1.8 Chemical Composition
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Moonstone and Legrandite Chemical Formula

While comparing Moonstone and Legrandite 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 Legrandite chemical formula.

  • Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
  • Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Moonstone and Legrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.