Mottramite and Obsidian Physical Properties

Mottramite

Obsidian

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.92.35-2.60

1 7.18

1.5 Fracture

Sub-Conchoidal, Brittle, Metallic

Conchoidal, ConchoidalWalter Schumann, Conchoidal

1.6 Cleavage

None observed

Not Available

1.7 Mohs Hardness

35-5.5

2 10

1.8 Chemical Composition

Not Available

Mottramite and Obsidian Chemical Formula

While comparing Mottramite 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 Mottramite and Obsidian chemical formula.

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Mottramite and Obsidian Specific Gravity

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