Adamite and Spodumene Physical Properties

Adamite

Spodumene

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.32-4.48

3.15-3.21

1.5 Fracture

Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

{101}, good; {010}, poor

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

1.7 Mohs Hardness

3.5

6-7

1.8 Chemical Composition

Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)

LiAlSi₂O₆

Adamite and Spodumene Chemical Formula

While comparing Adamite 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 Adamite and Spodumene chemical formula.

Chemical formula of Adamite- Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Spodumene- LiAlSi₂O₆

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Adamite and Spodumene Specific Gravity

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