×

Phlogopite
Phlogopite

Crystal Opal
Crystal Opal



ADD
Compare
X
Phlogopite
X
Crystal Opal

Phlogopite and Crystal Opal Physical Properties

Physical Properties

Tenacity

Tough
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.78-2.851.97-2.22
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

Perfect basal (001)
None

Mohs Hardness

2-2.55.5-6.5
2 10
👆🏻

Chemical Composition

KMg3(Si3Al)O10(F,OH)2
SiO 2 + H 2OUlrich Henn and Claudio C.

Phlogopite and Crystal Opal Chemical Formula

While comparing Phlogopite and Crystal 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 Phlogopite and Crystal Opal chemical formula.

  • Chemical formula of Phlogopite- KMg3(Si3Al)O10(F,OH)2
  • Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Phlogopite and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.