Annabergite and Moonstone Physical Properties

Annabergite

Moonstone

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Physical Properties

Tenacity

Sectile

Solubility

Durability

Specific Gravity

3.072.56-2.60

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Cleavage

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

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

Mohs Hardness

26-6.5

2 10

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Chemical Composition

Ni3(AsO4)2•8(H2O)

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Annabergite and Moonstone Chemical Formula

While comparing Annabergite and Moonstone 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 Moonstone chemical formula.

Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

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Annabergite and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.