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Fluorite
Fluorite

Boulder Opal
Boulder Opal



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Fluorite
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Boulder Opal

Fluorite and Boulder Opal Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

slightly water soluble and in hot hydrochloric acid
-

Durability

-
-

Specific Gravity

3.00-3.251.98-2.25
1 7.18
👆🏻

Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann
Conchoidal

Cleavage

Octahedral, perfect on {111}, parting on {011}
None

Mohs Hardness

45-6.5
2 10
👆🏻

Chemical Composition

CaF2
SiO 2 + H 2OUlrich Henn and Claudio C.

Fluorite and Boulder Opal Chemical Formula

While comparing Fluorite 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 Fluorite and Boulder Opal chemical formula.

  • Chemical formula of Fluorite- CaF2
  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Fluorite and Boulder Opal Specific Gravity

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