Grossular Garnet and Obsidian Physical Properties

Grossular Garnet

Obsidian

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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

3.62.35-2.60

1 7.18

1.5 Fracture

Not Available

Conchoidal, ConchoidalWalter Schumann, Conchoidal

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

6.5-7.55-5.5

2 10

1.8 Chemical Composition

Ca₃Al₂Si₃O₁₂

Not Available

Grossular Garnet and Obsidian Chemical Formula

While comparing Grossular Garnet 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 Grossular Garnet and Obsidian chemical formula.

Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂

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Grossular Garnet and Obsidian Specific Gravity

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