Spodumene and Calcite Physical Properties

Spodumene

Calcite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.212.67-2.73

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

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

Perfect on [10 1 1] three directions with angle of 74° 55

1.7 Mohs Hardness

6-73

2 10

1.8 Chemical Composition

LiAlSi₂O₆

CaCO 3Ulrich Henn and Claudio C.

Spodumene and Calcite Chemical Formula

While comparing Spodumene and Calcite 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 Calcite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

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Spodumene and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Calcite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.67-2.73 whereas that of Calcite is 2.67-2.73.