Rossmanite and Brookite Physical Properties

Rossmanite

Brookite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

33.87-4.14

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Rossmanite and Brookite Chemical Formula

While comparing Rossmanite and Brookite 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 Rossmanite and Brookite chemical formula.

Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Gems Found in America

Rossmanite Vs Scolecite

Rossmanite Vs Serpentine

Rossmanite Vs Serandite

Rossmanite and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Brookite Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 3.87-4.14 whereas that of Brookite is 3.87-4.14.