Langbeinite and Watermelon Tourmaline Physical Properties

Langbeinite

Watermelon Tourmaline

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.90-3.40

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

3.5-47-7.5

2 10

1.8 Chemical Composition

Not Available

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.

Langbeinite and Watermelon Tourmaline Chemical Formula

While comparing Langbeinite 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 Langbeinite and Watermelon Tourmaline 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.

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Langbeinite and Watermelon Tourmaline Specific Gravity

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