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Spodumene
Spodumene

Boulder Opal
Boulder Opal



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Spodumene
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Boulder Opal

Spodumene and Boulder Opal Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

insoluble
-

Durability

-
-

Specific Gravity

3.15-3.211.98-2.25
1 7.18
👆🏻

Fracture

Uneven, Subconchoidal
Conchoidal

Cleavage

Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
None

Mohs Hardness

6-75-6.5
2 10
👆🏻

Chemical Composition

LiAlSi2O6
SiO 2 + H 2OUlrich Henn and Claudio C.

Spodumene and Boulder Opal Chemical Formula

While comparing Spodumene and Boulder 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 Boulder Opal chemical formula.

  • Chemical formula of Spodumene- LiAlSi2O6
  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Spodumene and Boulder Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.