×

Sellaite
Sellaite

Smaragdite
Smaragdite



ADD
Compare
X
Sellaite
X
Smaragdite

Sellaite and Smaragdite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.14-3.163.24-3.50
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

Perfect on {010} and {110}
None

Mohs Hardness

5-5.55.5
2 10
👆🏻

Chemical Composition

MgF 2Ulrich Henn and Claudio C.
NaCa2(Al,Fe)3Si6O18(OH)4

Sellaite and Smaragdite Chemical Formula

While comparing Sellaite 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 Sellaite and Smaragdite chemical formula.

  • Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.
  • Chemical formula of Smaragdite- NaCa2(Al,Fe)3Si6O18(OH)4

Sellaite and Smaragdite Specific Gravity

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