Strontianite and Amazonite Physical Properties

Strontianite

Amazonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.63-3.79

2.55-2.57

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{110} Good

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

3.5

6-6.5

1.8 Chemical Composition

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references

KAlSi₃O₈

Strontianite and Amazonite Chemical Formula

While comparing Strontianite and Amazonite 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 Strontianite and Amazonite chemical formula.

Chemical formula of Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Amazonite- KAlSi₃O₈

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Strontianite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Strontianite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Strontianite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Strontianite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.