Home
×

Demantoid
Demantoid

Prehnite
Prehnite



ADD
Compare
X
Demantoid
X
Prehnite

Demantoid and Prehnite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.77-3.95
2.80-2.95
1.5 Fracture
Not Available
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
1.6 Cleavage
Not Available
Distinct on [001]
1.7 Mohs Hardness
6.5
6-6.5
1.8 Chemical Composition
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Ca2Al2Si3O12(OH)

Demantoid and Prehnite Chemical Formula

While comparing Demantoid and Prehnite 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 Demantoid and Prehnite chemical formula.

  • Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
  • Chemical formula of Prehnite- Ca2Al2Si3O12(OH)

Demantoid and Prehnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Demantoid and Prehnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid and Prehnite Optical Properties during the identification of gemstone. Specific gravity of Demantoid is 2.80-2.95 whereas that of Prehnite is 2.80-2.95.