Rossmanite and Peridot Physical Properties

Rossmanite

Peridot

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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

31.54-1.55

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal

1.6 Cleavage

None

Poor

1.7 Mohs Hardness

Not Available6.5-7

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)₂SiO₄

Rossmanite and Peridot Chemical Formula

While comparing Rossmanite and Peridot 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 Peridot 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 Peridot- (Mg,Fe)₂SiO₄

Compare Gems Found in America

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Rossmanite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.