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Scapolite
Scapolite

Lazurite
Lazurite



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Scapolite
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Lazurite

Scapolite and Lazurite Physical Properties

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
2.58-2.742.75
Amber
1 7.18
1.5 Fracture
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Splintery
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
{100} Distinct, {110} Distinct
Imperfect on {110}
1.7 Mohs Hardness
5.5-65.5
Amber
2 10
1.8 Chemical Composition
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Scapolite and Lazurite Chemical Formula

While comparing Scapolite 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 Scapolite and Lazurite chemical formula.

  • Chemical formula of Scapolite- Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Scapolite and Lazurite Specific Gravity

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