Ulexite and Watermelon Tourmaline Physical Properties

Ulexite

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

1.65-1.992.90-3.40

1 7.18

1.5 Fracture

UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic

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

1.6 Cleavage

{010} Perfect, {110} Perfect

Not Available

1.7 Mohs Hardness

2-2.57-7.5

2 10

1.8 Chemical Composition

NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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.

Ulexite and Watermelon Tourmaline Chemical Formula

While comparing Ulexite 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 Ulexite and Watermelon Tourmaline chemical formula.

Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
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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Ulexite and Watermelon Tourmaline Specific Gravity

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