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Fuchsite
Fuchsite

Lazurite
Lazurite



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Fuchsite
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Lazurite

Fuchsite and Lazurite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.77-2.882.75
Amber
1 7.18
1.5 Fracture
Uneven
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Perfect basal
Imperfect on {110}
1.7 Mohs Hardness
2.55.5
Amber
2 10
1.8 Chemical Composition
K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Fuchsite and Lazurite Chemical Formula

While comparing Fuchsite and Lazurite 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 Fuchsite and Lazurite chemical formula.

  • Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
  • Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Fuchsite and Lazurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fuchsite and Lazurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fuchsite and Lazurite Optical Properties during the identification of gemstone. Specific gravity of Fuchsite is 2.75 whereas that of Lazurite is 2.75.