Spodumene and White Opal Physical Properties

Spodumene

White Opal

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.211.98-2.50

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6-75.5-6.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Spodumene and White Opal Chemical Formula

While comparing Spodumene and White Opal 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 White Opal chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Spodumene and White Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and White Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and White Opal Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 1.98-2.50 whereas that of White Opal is 1.98-2.50.