Rhodochrosite and Spodumene Physical Properties

Rhodochrosite

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

3.0-3.3

3.15-3.21

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

On {10 1 1} perfect; parting on {10 1 2}

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

1.7 Mohs Hardness

3.5-4

6-7

1.8 Chemical Composition

MnCO₃

LiAlSi₂O₆

Rhodochrosite and Spodumene Chemical Formula

While comparing Rhodochrosite 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 Rhodochrosite and Spodumene chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Spodumene- LiAlSi₂O₆

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Rhodochrosite and Spodumene Specific Gravity

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