Wulfenite and Watermelon Tourmaline Physical Properties

Wulfenite

Watermelon Tourmaline

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.50-7.00

2.90-3.40

1.5 Fracture

Irregular, Brittle, Conchoidal

Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)

1.6 Cleavage

On {011}, distinct; on {001}, {013}, indistinct

Not Available

1.7 Mohs Hardness

7-7.5

1.8 Chemical Composition

PbMoO 4Walter Schumann , Gemstones of the world (2001)

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.

Wulfenite and Watermelon Tourmaline Chemical Formula

While comparing Wulfenite 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 Wulfenite and Watermelon Tourmaline chemical formula.

Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)
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.

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Wulfenite and Watermelon Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wulfenite and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wulfenite and Watermelon Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Wulfenite is 2.90-3.40 whereas that of Watermelon Tourmaline is 2.90-3.40.