Moonstone and Annabergite Physical Properties

Moonstone

Annabergite

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Physical Properties

Tenacity

Sectile

Solubility

Durability

Specific Gravity

2.56-2.603.07

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Cleavage

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

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

Mohs Hardness

6-6.52

2 10

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Chemical Composition

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

Ni3(AsO4)2•8(H2O)

Moonstone and Annabergite Chemical Formula

While comparing Moonstone 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 Moonstone and Annabergite chemical formula.

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

Compare Semi Precious Gemstones

Moonstone Vs Rubellite

Moonstone Vs Schorlomite

Moonstone Vs Simpsonite

Moonstone and Annabergite Specific Gravity

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