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Brookite
Brookite

Smaragdite
Smaragdite



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Brookite
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Smaragdite

Brookite and Smaragdite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.87-4.143.24-3.50
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
-

Cleavage

Poor on {120}, in traces on {001}
None

Mohs Hardness

5.5-65.5
2 10
👆🏻

Chemical Composition

TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
NaCa2(Al,Fe)3Si6O18(OH)4

Brookite and Smaragdite Chemical Formula

While comparing Brookite and Smaragdite 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 Smaragdite chemical formula.

  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Smaragdite- NaCa2(Al,Fe)3Si6O18(OH)4

Brookite and Smaragdite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Smaragdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Smaragdite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 3.24-3.50 whereas that of Smaragdite is 3.24-3.50.