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Amazonite
Amazonite

Boulder Opal
Boulder Opal



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Amazonite
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Boulder Opal

Amazonite and Boulder Opal Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.55-2.571.98-2.25
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
None

Mohs Hardness

6-6.55-6.5
2 10
👆🏻

Chemical Composition

KAlSi3O8
SiO 2 + H 2OUlrich Henn and Claudio C.

Amazonite and Boulder Opal Chemical Formula

While comparing Amazonite 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 Amazonite and Boulder Opal chemical formula.

  • Chemical formula of Amazonite- KAlSi3O8
  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Amazonite and Boulder Opal Specific Gravity

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