Obsidian and Grossular Garnet Physical Properties

Obsidian

Grossular Garnet

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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

2.35-2.603.6

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Conchoidal

Not Available

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

5-5.56.5-7.5

2 10

1.8 Chemical Composition

Not Available

Ca₃Al₂Si₃O₁₂

Obsidian and Grossular Garnet Chemical Formula

While comparing Obsidian and Grossular Garnet 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 Grossular Garnet chemical formula.

Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂

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Obsidian Vs Topaz

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Obsidian Vs Spinel

Obsidian and Grossular Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Obsidian and Grossular Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian and Grossular Garnet Optical Properties during the identification of gemstone. Specific gravity of Obsidian is 3.6 whereas that of Grossular Garnet is 3.6.