Rossmanite and Pleonaste Physical Properties

Rossmanite

Pleonaste

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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

33.80

1 7.18

1.5 Fracture

Brittle, Metallic

Not Available

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

Not Available8

2 10

1.8 Chemical Composition

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

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Rossmanite and Pleonaste Chemical Formula

While comparing Rossmanite and Pleonaste 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 Pleonaste 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 Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

Compare Gems Found in America

Rossmanite Vs Serpentine

Rossmanite Vs Scolecite

Rossmanite Vs Serandite

Rossmanite and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 3.80 whereas that of Pleonaste is 3.80.