Poldervaartite and Andradite Garnet Physical Properties

Poldervaartite

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

2.913.8-3.9

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

Not Available

1.6 Cleavage

None

1.7 Mohs Hardness

Not Available6.5-7.5

2 10

1.8 Chemical Composition

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Ca₃Fe³⁺₂Si₃O₁₂

Poldervaartite and Andradite Garnet Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Andradite Garnet chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Poldervaartite and Andradite Garnet Specific Gravity

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