Rossmanite and Rhodolite Physical Properties

Rossmanite

Rhodolite

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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

33.84

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal

1.6 Cleavage

None

none, may show indistinct parting

1.7 Mohs Hardness

Not Available7-7.5

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)₃Al₂Si₃O₁₂

Rossmanite and Rhodolite Chemical Formula

While comparing Rossmanite and Rhodolite 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 Rhodolite 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 Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

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Rossmanite and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rossmanite and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rossmanite and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Rossmanite is 3.84 whereas that of Rhodolite is 3.84.