Covellite and Rubellite Tourmaline Physical Properties

Covellite

Rubellite Tourmaline

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1 Physical Properties

1.1 Tenacity

Flexible

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.6-4.76Not Available

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

Not Available

1.6 Cleavage

Perfect on {0001}

None

1.7 Mohs Hardness

Not Available2.5-3

2 10

1.8 Chemical Composition

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Covellite and Rubellite Tourmaline Chemical Formula

While comparing Covellite and Rubellite 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 Covellite and Rubellite Tourmaline chemical formula.

Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Rubellite Tourmaline- Ag

Compare Blue Gemstones

Covellite Vs Falcons Eye

Covellite Vs Elbaite

Covellite Vs Fluorapatite

Covellite and Rubellite Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Rubellite Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Rubellite Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Covellite is Not Available whereas that of Rubellite Tourmaline is Not Available.