Home
×

Gibbsite
Gibbsite

Boulder Opal
Boulder Opal



ADD
Compare
X
Gibbsite
X
Boulder Opal

Gibbsite and Boulder Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.35
1.98-2.25
1.5 Fracture
Fibrous, Difficult, Fibrous
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
{001} Perfect
Not Available
1.7 Mohs Hardness
2.5-3
5-6.5
1.8 Chemical Composition
Al(OH)3
SiO 2 + H 2OUlrich Henn and Claudio C.

Gibbsite and Boulder Opal Chemical Formula

While comparing Gibbsite and Boulder 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 Gibbsite and Boulder Opal chemical formula.

  • Chemical formula of Gibbsite- Al(OH)3
  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Gibbsite and Boulder Opal Specific Gravity

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