Arfvedsonite and Andradite Garnet Physical Properties

Arfvedsonite

Andradite Garnet

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.3-3.53.8-3.9

1 7.18

1.5 Fracture

Uneven, Brittle, Metallic, Brittle, Metallic

Not Available

1.6 Cleavage

Perfect on [110]

None

1.7 Mohs Hardness

5-66.5-7.5

2 10

1.8 Chemical Composition

NaNa2(Fe++4Fe+++)Si8O22(OH)2

Ca₃Fe³⁺₂Si₃O₁₂

Arfvedsonite and Andradite Garnet Chemical Formula

While comparing Arfvedsonite 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 Arfvedsonite and Andradite Garnet chemical formula.

Chemical formula of Arfvedsonite- NaNa2(Fe++4Fe+++)Si8O22(OH)2
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Arfvedsonite and Andradite Garnet Specific Gravity

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