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Lapis lazuli
Lapis lazuli

Fluorapatite
Fluorapatite



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Lapis lazuli
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Fluorapatite

Lapis lazuli and Fluorapatite 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
2.50-3.003.1-3.25
Amber
1 7.18
1.5 Fracture
Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
1.6 Cleavage
3,6
Indistinct
1.7 Mohs Hardness
5.55
Amber
2 10
1.8 Chemical Composition
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Lapis lazuli and Fluorapatite Chemical Formula

While comparing Lapis lazuli and Fluorapatite 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 Lapis lazuli and Fluorapatite chemical formula.

  • Chemical formula of Lapis lazuli- The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4
  • Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)

Lapis lazuli and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Lapis lazuli and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lapis lazuli and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Lapis lazuli is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.