×

Pyrope
Pyrope

Hibonite
Hibonite



ADD
Compare
X
Pyrope
X
Hibonite

Pyrope and Hibonite Physical Properties

Add ⊕

Physical Properties

Tenacity

-
-

Solubility

insoluble in water
-

Durability

-
-

Specific Gravity

3.62-3.873.84
1 7.18
👆🏻

Fracture

Conchoidal
Subconchoidal, Conchoidal

Cleavage

None
{0001} good, {10 1 0} parting

Mohs Hardness

7-7.57.5-8
2 10
👆🏻

Chemical Composition

Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
(Ca,Ce)(Al,Ti,Mg)12O19

Pyrope and Hibonite Chemical Formula

While comparing Pyrope and Hibonite 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 Pyrope and Hibonite chemical formula.

  • Chemical formula of Pyrope- Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  • Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19

Pyrope and Hibonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrope and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrope and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Pyrope is 3.84 whereas that of Hibonite is 3.84.