Rhodolite and Annabergite Physical Properties

Rhodolite

Annabergite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.843.07

1 7.18

1.5 Fracture

Conchoidal

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

none, may show indistinct parting

Perfect on {010}, indistinct on {100} and {102}

1.7 Mohs Hardness

7-7.52

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

Ni3(AsO4)2•8(H2O)

Rhodolite and Annabergite Chemical Formula

While comparing Rhodolite and Annabergite 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 Annabergite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

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Rhodolite and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodolite and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 3.07 whereas that of Annabergite is 3.07.