Obsidian and Rhodolite Physical Properties

Obsidian

Rhodolite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.35-2.603.84

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Conchoidal

Conchoidal

1.6 Cleavage

Not Available

none, may show indistinct parting

1.7 Mohs Hardness

5-5.57-7.5

2 10

1.8 Chemical Composition

Not Available

(Mg,Fe)₃Al₂Si₃O₁₂

Obsidian and Rhodolite Chemical Formula

While comparing Obsidian and Rhodolite 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 Rhodolite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

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Obsidian and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Obsidian and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Obsidian is 3.84 whereas that of Rhodolite is 3.84.