Cerussite and Astrophyllite Physical Properties

Cerussite

Astrophyllite

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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

6.46-6.573.2-3.4

1 7.18

1.5 Fracture

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

Uneven, Brittle, Metallic

1.6 Cleavage

Good [110] and [021]

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

3-3.53

2 10

1.8 Chemical Composition

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

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Cerussite and Astrophyllite Chemical Formula

While comparing Cerussite and Astrophyllite 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 Astrophyllite chemical formula.

Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Compare Brown Gemstones

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Cerussite and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cerussite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cerussite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Cerussite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.