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Brookite
Brookite

Hemimorphite
Hemimorphite



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Brookite
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Hemimorphite

Brookite and Hemimorphite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.87-4.143.30-3.50
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

Poor on {120}, in traces on {001}
Perfect on {110}, poor on {101}, {001} rare

Mohs Hardness

5.5-65
2 10
👆🏻

Chemical Composition

TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Brookite and Hemimorphite Chemical Formula

While comparing Brookite and Hemimorphite 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 Brookite and Hemimorphite chemical formula.

  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Brookite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.