Rhodolite and Spodumene Physical Properties

Rhodolite

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

3.843.15-3.21

1 7.18

1.5 Fracture

Conchoidal

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

none, may show indistinct parting

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

1.7 Mohs Hardness

7-7.56-7

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

LiAlSi₂O₆

Rhodolite and Spodumene Chemical Formula

While comparing Rhodolite 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 Rhodolite and Spodumene chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Spodumene- LiAlSi₂O₆

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Rhodolite and Spodumene Specific Gravity

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