Rhodolite and Rossmanite Physical Properties

Rhodolite

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

3.843

1 7.18

1.5 Fracture

Conchoidal

Brittle, Metallic

1.6 Cleavage

none, may show indistinct parting

None

1.7 Mohs Hardness

7-7.5Not Available

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

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

Rhodolite and Rossmanite Chemical Formula

While comparing Rhodolite 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 Rhodolite and Rossmanite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
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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Rhodolite and Rossmanite Specific Gravity

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