Rhodolite and Hollandite Physical Properties

Rhodolite

Hollandite

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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

3.845.05

1 7.18

1.5 Fracture

Conchoidal

Brittle, Metallic

1.6 Cleavage

none, may show indistinct parting

Distinct / Good, Prismatic

1.7 Mohs Hardness

7-7.54-6

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

Ba(Mn++++,Mn++)8O16

Rhodolite and Hollandite Chemical Formula

While comparing Rhodolite and Hollandite 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 Hollandite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

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Rhodolite and Hollandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodolite and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 5.05 whereas that of Hollandite is 5.05.