Cerussite and Kornerupine Physical Properties

Cerussite

Kornerupine

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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

6.46-6.573.25-3.45

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

Good [110] and [021]

Good on {110}

1.7 Mohs Hardness

3-3.56.5

2 10

1.8 Chemical Composition

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

Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Cerussite and Kornerupine Chemical Formula

While comparing Cerussite and Kornerupine 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 Kornerupine chemical formula.

Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Brown Gemstones

Cerussite Vs Diamond

Cerussite Vs Danburite

Cerussite Vs Cubic Zirconia

Cerussite and Kornerupine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cerussite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cerussite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Cerussite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.