Obsidian and Stolzite Physical Properties

Obsidian

Stolzite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.35-2.602

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Conchoidal

Conchoidal, Uneven, Brittle

1.6 Cleavage

Not Available

Imperfect on {001}, indistinct on {011}

1.7 Mohs Hardness

5-5.52.5-3

2 10

1.8 Chemical Composition

Not Available

Obsidian and Stolzite Chemical Formula

While comparing Obsidian and Stolzite 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 Stolzite chemical formula.

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Obsidian and Stolzite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Obsidian and Stolzite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian and Stolzite Optical Properties during the identification of gemstone. Specific gravity of Obsidian is 2 whereas that of Stolzite is 2.