Rossmanite and Pezzottaite Physical Properties

Rossmanite

Pezzottaite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

32.90-3.14

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

None

Imperfect; basal

1.7 Mohs Hardness

Not Available7.5-8

2 10

1.8 Chemical Composition

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

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Rossmanite and Pezzottaite Chemical Formula

While comparing Rossmanite and Pezzottaite 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 Pezzottaite 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 Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Compare Gems Found in America

Rossmanite Vs Scolecite

Rossmanite Vs Serandite

Rossmanite Vs Serpentine

Rossmanite and Pezzottaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.