Rossmanite and Andradite Garnet Physical Properties

Rossmanite

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

33.8-3.9

1 7.18

1.5 Fracture

Brittle, Metallic

Not Available

1.6 Cleavage

None

1.7 Mohs Hardness

Not Available6.5-7.5

2 10

1.8 Chemical Composition

◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Ca₃Fe³⁺₂Si₃O₁₂

Rossmanite and Andradite Garnet Chemical Formula

While comparing Rossmanite 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 Rossmanite and Andradite Garnet chemical formula.

Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Rossmanite and Andradite Garnet Specific Gravity

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