Cobaltite and Watermelon Tourmaline Physical Properties

Cobaltite

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

6.32.90-3.40

1 7.18

1.5 Fracture

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

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

1.6 Cleavage

{100} Good, {010} Good, {001} Good

Not Available

1.7 Mohs Hardness

5.57-7.5

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (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.

Cobaltite and Watermelon Tourmaline Chemical Formula

While comparing Cobaltite 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 Cobaltite and Watermelon Tourmaline chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (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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Cobaltite and Watermelon Tourmaline Specific Gravity

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