×

Bastnasite
Bastnasite

Moldavite
Moldavite



ADD
Compare
X
Bastnasite
X
Moldavite

Bastnasite and Moldavite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

4.95-5.02.32-2.38
1 7.18
👆🏻

Fracture

Uneven
ConchoidalWalter Schumann

Cleavage

Imperfect to indistinct on {10 1 0}, parting on {0001}
None

Mohs Hardness

4-55.5
2 10
👆🏻

Chemical Composition

(Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Bastnasite and Moldavite Chemical Formula

While comparing Bastnasite and Moldavite 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 Bastnasite and Moldavite chemical formula.

  • Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Bastnasite and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bastnasite and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bastnasite and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Bastnasite is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.