Beryl and Corundum Physical Properties

Beryl

Corundum

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.90

3.90-4.05

1.5 Fracture

Uneven, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Uneven, Gems, Brittle

Uneven, Uneven, Gems, Difficult, Fibrous

1.6 Cleavage

Imperfect on {0001}

None – parting in 3 directions

1.7 Mohs Hardness

7.5-8

1.8 Chemical Composition

Be₃Al₂Si₆O₁₈

Al 2O 3Arthur Thomas , Gemstones (2009)

Beryl and Corundum Chemical Formula

While comparing Beryl 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 Beryl and Corundum chemical formula.

Chemical formula of Beryl- Be₃Al₂Si₆O₁₈
Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)

Compare Blue Gemstones

Beryl Vs Brucite

Beryl Vs Boleite

Beryl Vs Boulder Opal

Beryl and Corundum Specific Gravity

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

Blue Gemstones

Black Opal

Bloodstone Heliotrope

Blue Beryl Maxixe

Blue John

Boleite

Boulder Opal