Chrome-Chalcedony and Moonstone Physical Properties

Chrome-Chalcedony

Moonstone

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.55-2.702.56-2.60

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Cleavage

None

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

Mohs Hardness

6.5-76-6.5

2 10

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Chemical Composition

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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

Chrome-Chalcedony and Moonstone Chemical Formula

While comparing Chrome-Chalcedony 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 Chrome-Chalcedony and Moonstone chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

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Chrome-Chalcedony and Moonstone Specific Gravity

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