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Tourmaline
Tourmaline

Lazulite
Lazulite



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Tourmaline
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Lazulite

Tourmaline and Lazulite 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
2.85-3.353.04-3.17
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, Gemstones of the world (2001) More from other references
1.6 Cleavage
Indistinct
{001} Indistinct, {???} Indistinct
1.7 Mohs Hardness
7-7.55.5
Amber
2 10
1.8 Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Tourmaline and Lazulite Chemical Formula

While comparing Tourmaline and Lazulite 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 Tourmaline and Lazulite chemical formula.

  • Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
  • Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references

Tourmaline and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.