Beryl and Obsidian Physical Properties

Beryl

Obsidian

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.90

2.35-2.60

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

Conchoidal, ConchoidalWalter Schumann, Conchoidal

1.6 Cleavage

Imperfect on {0001}

Not Available

1.7 Mohs Hardness

7.5-8

5-5.5

1.8 Chemical Composition

Be₃Al₂Si₆O₁₈

Not Available

Beryl and Obsidian Chemical Formula

While comparing Beryl and Obsidian 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 Obsidian chemical formula.

Chemical formula of Beryl- Be₃Al₂Si₆O₁₈

Compare Blue Gemstones

Beryl Vs Brucite

Beryl Vs Boleite

Beryl Vs Boulder Opal

Beryl and Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryl and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryl and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Beryl is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.

Blue Gemstones

Black Opal

Bloodstone Heliotrope

Blue Beryl Maxixe

Blue John

Boleite

Boulder Opal