Annabergite and Rhodolite Physical Properties

Annabergite

Rhodolite

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.073.84

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Conchoidal

1.6 Cleavage

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

none, may show indistinct parting

1.7 Mohs Hardness

27-7.5

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

(Mg,Fe)₃Al₂Si₃O₁₂

Annabergite and Rhodolite Chemical Formula

While comparing Annabergite 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 Annabergite and Rhodolite chemical formula.

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

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Annabergite and Rhodolite Specific Gravity

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