Scorodite and Corundum Physical Properties

Scorodite

Corundum

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.90-4.05

1 7.18

1.5 Fracture

Sub-Conchoidal, Splintery

Uneven, Uneven, Gems, Difficult, Fibrous

1.6 Cleavage

{201} Imperfect, {100} Poor, {001} Poor

None – parting in 3 directions

1.7 Mohs Hardness

3.5-49

2 10

1.8 Chemical Composition

Not Available

Al 2O 3Arthur Thomas , Gemstones (2009)

Scorodite and Corundum Chemical Formula

While comparing Scorodite and Corundum 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 Scorodite and Corundum chemical formula.

Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)

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Scorodite and Corundum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scorodite and Corundum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scorodite and Corundum Optical Properties during the identification of gemstone. Specific gravity of Scorodite is 3.90-4.05 whereas that of Corundum is 3.90-4.05.