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Rhodolite
Rhodolite

Colemanite
Colemanite



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Rhodolite
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Colemanite

Rhodolite and Colemanite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.842.40-2.42
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

none, may show indistinct parting
{010} Perfect, {001} Distinct

Mohs Hardness

7-7.54.5
2 10
👆🏻

Chemical Composition

(Mg,Fe)3Al2Si3O12
Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Rhodolite and Colemanite Chemical Formula

While comparing Rhodolite and Colemanite 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 Rhodolite and Colemanite chemical formula.

  • Chemical formula of Rhodolite- (Mg,Fe)3Al2Si3O12
  • Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Rhodolite and Colemanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodolite and Colemanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Colemanite Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 2.40-2.42 whereas that of Colemanite is 2.40-2.42.