Spodumene and Apophyllite Physical Properties

Spodumene

Apophyllite

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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

3.15-3.212.30-2.50

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Perfect on (001)

1.7 Mohs Hardness

6-74.5-5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Spodumene and Apophyllite Chemical Formula

While comparing Spodumene and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Spodumene and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.