Watermelon Tourmaline and Apophyllite Physical Properties

Watermelon Tourmaline

Apophyllite

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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

2.90-3.402.30-2.50

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Perfect on (001)

1.7 Mohs Hardness

7-7.54.5-5

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.

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Watermelon Tourmaline and Apophyllite Chemical Formula

While comparing Watermelon Tourmaline and Apophyllite 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 Apophyllite 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 Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Watermelon Tourmaline and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Watermelon Tourmaline and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Watermelon Tourmaline and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Watermelon Tourmaline is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.