Cerussite and Ettringite Physical Properties

Cerussite

Ettringite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Partially soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

6.46-6.571.77

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Good [110] and [021]

Perfect on {10 1 0}

1.7 Mohs Hardness

3-3.52-2.5

2 10

1.8 Chemical Composition

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

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Cerussite and Ettringite Chemical Formula

While comparing Cerussite and Ettringite 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 Ettringite chemical formula.

Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

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Cerussite Vs Diamond

Cerussite Vs Cubic Zirconia

Cerussite and Ettringite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cerussite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cerussite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Cerussite is 1.77 whereas that of Ettringite is 1.77.