Spodumene and Periclase Physical Properties

Spodumene

Periclase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.213.7-3.9

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Conchoidal, Brittle

1.6 Cleavage

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

{001} perfect; {111} imperfect, may exhibit parting on , {011}

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

LiAlSi₂O₆

MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

Spodumene and Periclase Chemical Formula

While comparing Spodumene and Periclase 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 Periclase chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Periclase- MgOMichael OâDonoghue , Gems, Sixth Edition (2006)

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Spodumene and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Periclase Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 3.7-3.9 whereas that of Periclase is 3.7-3.9.