Watermelon Tourmaline and Peridot Physical Properties

Watermelon Tourmaline

Peridot

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.401.54-1.55

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Not Available

Poor

1.7 Mohs Hardness

7-7.56.5-7

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.

(Mg,Fe)₂SiO₄

Watermelon Tourmaline and Peridot Chemical Formula

While comparing Watermelon Tourmaline and Peridot 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 Peridot 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 Peridot- (Mg,Fe)₂SiO₄

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Watermelon Tourmaline and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Watermelon Tourmaline and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Watermelon Tourmaline and Peridot Optical Properties during the identification of gemstone. Specific gravity of Watermelon Tourmaline is 1.54-1.55 whereas that of Peridot is 1.54-1.55.