Apophyllite and Spodumene Physical Properties

Apophyllite

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

2.30-2.503.15-3.21

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

Perfect on (001)

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

1.7 Mohs Hardness

4.5-56-7

2 10

1.8 Chemical Composition

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

LiAlSi₂O₆

Apophyllite and Spodumene Chemical Formula

While comparing Apophyllite 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 Apophyllite and Spodumene chemical formula.

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

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Apophyllite and Spodumene Specific Gravity

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