×

Watermelon Tourmaline
Watermelon Tourmaline

Lapis lazuli
Lapis lazuli



ADD
Compare
X
Watermelon Tourmaline
X
Lapis lazuli

Watermelon Tourmaline and Lapis lazuli 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
2.90-3.402.50-3.00
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
Uneven-Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Not Available
3,6
1.7 Mohs Hardness
7-7.55.5
Amber
2 10
1.8 Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4

Watermelon Tourmaline and Lapis lazuli Chemical Formula

While comparing Watermelon Tourmaline and Lapis lazuli 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 Watermelon Tourmaline and Lapis lazuli chemical formula.

  • Chemical formula of Watermelon Tourmaline- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
  • Chemical formula of Lapis lazuli- The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)8Al6Si6O24(S,SO)4

Watermelon Tourmaline and Lapis lazuli Specific Gravity

Another important criteria for qualitative analysis of gemstones is Watermelon Tourmaline and Lapis lazuli Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Watermelon Tourmaline and Lapis lazuli Optical Properties during the identification of gemstone. Specific gravity of Watermelon Tourmaline is 2.50-3.00 whereas that of Lapis lazuli is 2.50-3.00.