Sardonyx and Andradite Garnet Physical Properties

Sardonyx

Andradite 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

2.55-2.703.8-3.9

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

6.5-76.5-7.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Ca₃Fe³⁺₂Si₃O₁₂

Sardonyx and Andradite Garnet Chemical Formula

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

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Sardonyx and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.