Tourmaline and Cerussite Physical Properties

Tourmaline

Cerussite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.85-3.356.46-6.57

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

1.6 Cleavage

Indistinct

Good [110] and [021]

1.7 Mohs Hardness

7-7.53-3.5

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Tourmaline and Cerussite Chemical Formula

While comparing Tourmaline and Cerussite 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 Tourmaline and Cerussite chemical formula.

Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Semi Precious Gemstones

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Tourmaline and Cerussite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Cerussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Cerussite Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 6.46-6.57 whereas that of Cerussite is 6.46-6.57.