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Ajoite
Ajoite

Boulder Opal
Boulder Opal



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Ajoite
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Boulder Opal

Ajoite and Boulder Opal Physical Properties

Physical Properties

Tenacity

-
-

Solubility

Decomposed by acids
-

Durability

-
-

Specific Gravity

2.961.98-2.25
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

Perfect on {010}
None

Mohs Hardness

55-6.5
2 10
👆🏻

Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
SiO 2 + H 2OUlrich Henn and Claudio C.

Ajoite and Boulder Opal Chemical Formula

While comparing Ajoite 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 Ajoite and Boulder Opal chemical formula.

  • Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Ajoite and Boulder Opal Specific Gravity

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