×

Gypsum
Gypsum

Precious Opal
Precious Opal



ADD
Compare
X
Gypsum
X
Precious Opal

Gypsum and Precious Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Flexible
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.20-2.401.98-2.25
Amber
1 7.18
1.5 Fracture
Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
1.6 Cleavage
Perfect on {010}, distinct on {100}
Not Available
1.7 Mohs Hardness
25-6.5
Amber
2 10
1.8 Chemical Composition
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
SiO 2 · nH 2OGemdat.org , Management Team (2012)

Gypsum and Precious Opal Chemical Formula

While comparing Gypsum and Precious Opal 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 Gypsum and Precious Opal chemical formula.

  • Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Gypsum and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gypsum and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gypsum and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Gypsum is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.