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Amazonite
Amazonite

Lazurite
Lazurite



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Amazonite
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Lazurite

Amazonite and Lazurite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.55-2.572.75
1 7.18
👆🏻

Fracture

Uneven
Uneven, Conchoidal

Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Imperfect on {110}

Mohs Hardness

6-6.55.5
2 10
👆🏻

Chemical Composition

KAlSi3O8
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Amazonite and Lazurite Chemical Formula

While comparing Amazonite and Lazurite 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 Lazurite chemical formula.

  • Chemical formula of Amazonite- KAlSi3O8
  • Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Amazonite and Lazurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amazonite and Lazurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amazonite and Lazurite Optical Properties during the identification of gemstone. Specific gravity of Amazonite is 2.75 whereas that of Lazurite is 2.75.