Cerussite and Tourmaline Physical Properties

Cerussite

Tourmaline

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.46-6.572.85-3.35

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Good [110] and [021]

Indistinct

1.7 Mohs Hardness

3-3.57-7.5

2 10

1.8 Chemical Composition

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

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

Cerussite and Tourmaline Chemical Formula

While comparing Cerussite and 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 Cerussite and Tourmaline chemical formula.

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

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Cerussite and Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cerussite and Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cerussite and Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Cerussite is 2.85-3.35 whereas that of Tourmaline is 2.85-3.35.