Gahnospinel and Spodumene Physical Properties

Gahnospinel

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

3.65-4.553.15-3.21

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

None, but may exhibit slight parting

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

1.7 Mohs Hardness

7.5-86-7

2 10

1.8 Chemical Composition

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

LiAlSi₂O₆

Gahnospinel and Spodumene Chemical Formula

While comparing Gahnospinel 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 Gahnospinel and Spodumene chemical formula.

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

Compare Blue Gemstones

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Gahnospinel Vs Hydrogrossular

Gahnospinel Vs Indicolite Blue Tourmaline

Gahnospinel and Spodumene Specific Gravity

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