Aquamarine and Watermelon Tourmaline Physical Properties

Aquamarine

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

2.66-2.802.90-3.40

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

3,1 basal

Not Available

1.7 Mohs Hardness

7.5-87-7.5

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

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.

Aquamarine and Watermelon Tourmaline Chemical Formula

While comparing Aquamarine 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 Aquamarine and Watermelon Tourmaline chemical formula.

Chemical formula of Aquamarine- Be₃Al₂SiO₆
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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Aquamarine and Watermelon Tourmaline Specific Gravity

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