Andradite Garnet and Spodumene Physical Properties

Andradite 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

3.8-3.93.15-3.21

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

Ca₃Fe³⁺₂Si₃O₁₂

LiAlSi₂O₆

Andradite Garnet and Spodumene Chemical Formula

While comparing Andradite 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 Andradite Garnet and Spodumene chemical formula.

Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂
Chemical formula of Spodumene- LiAlSi₂O₆

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Andradite Garnet and Spodumene Specific Gravity

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