Falcons Eye and Watermelon Tourmaline Physical Properties

Falcons Eye

Watermelon Tourmaline

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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

2.58-2.642.90-3.40

1 7.18

1.5 Fracture

Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

77-7.5

2 10

1.8 Chemical Composition

SiO 2Walter 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.

Falcons Eye and Watermelon Tourmaline Chemical Formula

While comparing Falcons Eye 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 Falcons Eye and Watermelon Tourmaline chemical formula.

Chemical formula of Falcons Eye- SiO 2Walter 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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Falcons Eye and Watermelon Tourmaline Specific Gravity

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