Obsidian and Sylvite Physical Properties

Obsidian

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.35-2.601.993

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Conchoidal

Uneven, Brittle

1.6 Cleavage

Not Available

Perfect on [100], [010], [001]

1.7 Mohs Hardness

5-5.52.5

2 10

1.8 Chemical Composition

Not Available

Obsidian and Sylvite Chemical Formula

While comparing Obsidian and Sylvite 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 Obsidian and Sylvite chemical formula.

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Obsidian and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Obsidian and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Obsidian is 1.993 whereas that of Sylvite is 1.993.