Mottramite and Watermelon Tourmaline Physical Properties

Mottramite

Watermelon Tourmaline

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

Soluble

5.9

Sub-Conchoidal

None observed

PbCu(VO4)(OH)

2.90-3.40

Uneven, Conchoidal, Irregular

Indiscernible

7-7.5

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.

Mottramite and Watermelon Tourmaline Chemical Formula

While comparing Mottramite 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 Mottramite and Watermelon Tourmaline chemical formula.

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Mottramite and Watermelon Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite Vs Watermelon Tourmaline during the identification of gemstone. Specific gravity of Mottramite is whereas that of Watermelon Tourmaline is .