Erythrite and Watermelon Tourmaline Physical Properties
Tenacity
Sectile
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.06
2.90-3.40
Fracture
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)
Cleavage
Perfect on {010}; poor on {100} and { 1 02}.
Not Available
Mohs Hardness
Not Available
7-7.5
Chemical Composition
Co3(AsO4)2•8(H2O)
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.
Erythrite and Watermelon Tourmaline Chemical Formula
While comparing Erythrite and Watermelon Tourmaline 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 Erythrite and Watermelon Tourmaline chemical formula.
- Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
- 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.
Erythrite and Watermelon Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Erythrite and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Watermelon Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.90-3.40 whereas that of Watermelon Tourmaline is 2.90-3.40.