Colemanite and Zoisite Physical Properties

Colemanite

Zoisite

Add ⊕

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.40-2.423.20-3.50

1 7.18

👆🏻

Fracture

Uneven, Conchoidal, Even

Cleavage

{010} Perfect, {001} Distinct

Perfect {010} imperfect {100}

Mohs Hardness

4.56-7

2 10

👆🏻

Chemical Composition

Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Ca₂Al₃(SiO₄)₃(OH)

Colemanite and Zoisite Chemical Formula

While comparing Colemanite and Zoisite 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 Colemanite and Zoisite chemical formula.

Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)

Compare Colorless Gems

Colemanite Vs Herderite

Colemanite Vs Hibschite

Colemanite Vs Hyalite

Colemanite and Zoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Colemanite and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Colemanite and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Colemanite is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.