Strontianite and Achroite Physical Properties

Strontianite

Achroite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.63-3.79

Uneven, Conchoidal

{110} Good

3.5

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

2.90-3.40

Uneven, ConchoidalWalter Schumann

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Strontianite and Achroite Chemical Formula

While comparing Strontianite and Achroite 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 Achroite chemical formula.

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Strontianite and Achroite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Strontianite and Achroite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Strontianite Vs Achroite during the identification of gemstone. Specific gravity of Strontianite is whereas that of Achroite is .