Andradite Garnet and Chalcedony Physical Properties

Andradite Garnet

Chalcedony

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.8-3.92.55-2.70

1 7.18

1.5 Fracture

Not Available

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

1.6 Cleavage

None

Absent

1.7 Mohs Hardness

6.5-7.56.5-7

2 10

1.8 Chemical Composition

Ca₃Fe³⁺₂Si₃O₁₂

SiO₂

Andradite Garnet and Chalcedony Chemical Formula

While comparing Andradite Garnet and Chalcedony 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 Andradite Garnet and Chalcedony chemical formula.

Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂
Chemical formula of Chalcedony- SiO₂

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Andradite Garnet and Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite Garnet and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite Garnet and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Andradite Garnet is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.