Andradite Garnet and Rock Crystal Physical Properties

Andradite Garnet

Rock Crystal

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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

3.8-3.92.65

1 7.18

1.5 Fracture

Not Available

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

6.5-7.57

2 10

1.8 Chemical Composition

Ca₃Fe³⁺₂Si₃O₁₂

SiO 2Walter Schumann , Gemstones of the world (2001)

Andradite Garnet and Rock Crystal Chemical Formula

While comparing Andradite Garnet and Rock Crystal 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 Rock Crystal chemical formula.

Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂
Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)

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Andradite Garnet and Rock Crystal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andradite Garnet and Rock Crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite Garnet and Rock Crystal Optical Properties during the identification of gemstone. Specific gravity of Andradite Garnet is 2.65 whereas that of Rock Crystal is 2.65.