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Spessartine
Spessartine

Lazurite
Lazurite



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Spessartine
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Lazurite

Spessartine 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
4.12-4.182.75
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Conchoidal, Brittle
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
{???} Distinct
Imperfect on {110}
1.7 Mohs Hardness
7-7.55.5
Amber
2 10
1.8 Chemical Composition
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Spessartine and Lazurite Chemical Formula

While comparing Spessartine 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 Spessartine and Lazurite chemical formula.

  • Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  • Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Spessartine and Lazurite Specific Gravity

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