Chrome-Chalcedony and Gibbsite Physical Properties

Chrome-Chalcedony

Gibbsite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.702.35

1 7.18

1.5 Fracture

Not Available

Fibrous, Difficult, Fibrous

1.6 Cleavage

Not Available

{001} Perfect

1.7 Mohs Hardness

6.5-72.5-3

2 10

1.8 Chemical Composition

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

Al(OH)3

Chrome-Chalcedony and Gibbsite Chemical Formula

While comparing Chrome-Chalcedony and Gibbsite 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 Gibbsite chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Chemical formula of Gibbsite- Al(OH)3

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Chrome-Chalcedony and Gibbsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrome-Chalcedony and Gibbsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome-Chalcedony and Gibbsite Optical Properties during the identification of gemstone. Specific gravity of Chrome-Chalcedony is 2.35 whereas that of Gibbsite is 2.35.