Poudretteite and Grossular Garnet Physical Properties

Poudretteite

Grossular 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

2.51-2.533.6

1 7.18

1.5 Fracture

Conchoidal, Splintery

Not Available

1.6 Cleavage

None

1.7 Mohs Hardness

56.5-7.5

2 10

1.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Ca₃Al₂Si₃O₁₂

Poudretteite and Grossular Garnet Chemical Formula

While comparing Poudretteite and Grossular 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 Poudretteite and Grossular Garnet chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂

Compare Violet Gemstones

Poudretteite Vs Rubellite

Poudretteite Vs Sapphire

Poudretteite Vs Rutilated Quartz

Poudretteite and Grossular Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Grossular Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Grossular Garnet Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 3.6 whereas that of Grossular Garnet is 3.6.