Gedrite and Cerussite Physical Properties

Gedrite

Cerussite

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Physical Properties

Tenacity

Solubility

insoluble

Durability

Specific Gravity

3.15-3.2596.46-6.57

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

Good [110] and [021]

Mohs Hardness

5.5-63-3.5

2 10

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Chemical Composition

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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

Gedrite and Cerussite Chemical Formula

While comparing Gedrite 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 Gedrite and Cerussite chemical formula.

Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Cerussite- PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Brown Gemstones

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Gedrite and Cerussite Specific Gravity

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