Annabergite and Hexagonite Physical Properties

Annabergite

Hexagonite

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1 Physical Properties

1.1 Tenacity

Sectile

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.072.98-3.03

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

Uneven

1.6 Cleavage

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

[110] perfect; [010] distinct

1.7 Mohs Hardness

25-6

2 10

1.8 Chemical Composition

Ni3(AsO4)2•8(H2O)

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Annabergite and Hexagonite Chemical Formula

While comparing Annabergite and Hexagonite 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 Hexagonite chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Compare Green Gemstones

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Annabergite and Hexagonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.