Brookite and Colemanite Physical Properties

Brookite

Colemanite

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.87-4.142.40-2.42

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

Poor on {120}, in traces on {001}

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

5.5-64.5

2 10

1.8 Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Brookite and Colemanite Chemical Formula

While comparing Brookite 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 Brookite and Colemanite chemical formula.

Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

Brookite Vs Chambersite

Brookite Vs Chabazite

Brookite Vs Ceylonite

Brookite and Colemanite Specific Gravity

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