Grossular Garnet and Spodumene Physical Properties

Grossular Garnet

Spodumene

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.63.15-3.21

1 7.18

1.5 Fracture

Not Available

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

None

Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°

1.7 Mohs Hardness

6.5-7.56-7

2 10

1.8 Chemical Composition

Ca₃Al₂Si₃O₁₂

LiAlSi₂O₆

Grossular Garnet and Spodumene Chemical Formula

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

Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂
Chemical formula of Spodumene- LiAlSi₂O₆

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Grossular Garnet and Spodumene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Grossular Garnet and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grossular Garnet and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Grossular Garnet is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.