Chrome-Chalcedony and Andesine Physical Properties

Chrome-Chalcedony

Andesine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.702.65-2.69

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Not Available

Perfect on {001}, good on {010}

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)Al_1-2Si_3-2O₈

Chrome-Chalcedony and Andesine Chemical Formula

While comparing Chrome-Chalcedony and Andesine 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 Andesine chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈

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Chrome-Chalcedony and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Andesine Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 2.65-2.69 whereas that of Andesine is 2.65-2.69.