Pearl and Rossmanite Physical Properties

Pearl

Rossmanite

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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

2.60-2.853

1 7.18

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

Brittle, Metallic

1.6 Cleavage

none

None

1.7 Mohs Hardness

2.5-4.5Not Available

2 10

1.8 Chemical Composition

Not Available

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

Pearl and Rossmanite Chemical Formula

While comparing Pearl and Rossmanite 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 Pearl and Rossmanite chemical formula.

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

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Pearl and Rossmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Rossmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Rossmanite Optical Properties during the identification of gemstone. Specific gravity of Pearl is 3 whereas that of Rossmanite is 3.