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Strontianite
Strontianite

Boracite
Boracite



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Strontianite
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Boracite

Strontianite and Boracite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.63-3.792.95-2.96
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
Conchoidal

Cleavage

{110} Good
None

Mohs Hardness

3.57-7.5
2 10
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Chemical Composition

SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references
Mg 3B 7O 13ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Strontianite and Boracite Chemical Formula

While comparing Strontianite and Boracite 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 Boracite chemical formula.

  • Chemical formula of Strontianite- SrCO 3Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Boracite- Mg 3B 7O 13ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Strontianite and Boracite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Strontianite and Boracite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Strontianite and Boracite Optical Properties during the identification of gemstone. Specific gravity of Strontianite is 2.95-2.96 whereas that of Boracite is 2.95-2.96.