Augite and Spodumene Physical Properties

Augite

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

3.19-3.563.15-3.21

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

{110} Perfect, {010} Indistinct

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

1.7 Mohs Hardness

5.5-66-7

2 10

1.8 Chemical Composition

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

LiAlSi₂O₆

Augite and Spodumene Chemical Formula

While comparing Augite 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 Augite and Spodumene chemical formula.

Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Spodumene- LiAlSi₂O₆

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Augite and Spodumene Specific Gravity

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