Spodumene and Gahnospinel Physical Properties

Spodumene

Gahnospinel

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.213.65-4.55

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

None, but may exhibit slight parting

1.7 Mohs Hardness

6-77.5-8

2 10

1.8 Chemical Composition

LiAlSi₂O₆

(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Spodumene and Gahnospinel Chemical Formula

While comparing Spodumene and Gahnospinel 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 Spodumene and Gahnospinel chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

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Spodumene and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.