×

Nephrite
Nephrite

Pollucite
Pollucite



ADD
Compare
X
Nephrite
X
Pollucite

Nephrite and Pollucite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Readily soluble in HF

Durability

-
-

Specific Gravity

2.90-3.102.86-2.94
1 7.18
👆🏻

Fracture

Splintery, Granular
Conchoidal, Uneven

Cleavage

None
None observed

Mohs Hardness

6-6.56.5-7
2 10
👆🏻

Chemical Composition

Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Nephrite and Pollucite Chemical Formula

While comparing Nephrite and Pollucite 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 Nephrite and Pollucite chemical formula.

  • Chemical formula of Nephrite- Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Nephrite and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.