Fluorite and Spodumene Physical Properties

Fluorite

Spodumene

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.253.15-3.21

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

Octahedral, perfect on {111}, parting on {011}

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

1.7 Mohs Hardness

46-7

2 10

1.8 Chemical Composition

CaF₂

LiAlSi₂O₆

Fluorite and Spodumene Chemical Formula

While comparing Fluorite 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 Fluorite and Spodumene chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Spodumene- LiAlSi₂O₆

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Fluorite and Spodumene Specific Gravity

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