Gibbsite and Chrysoprase Physical Properties

Gibbsite

Chrysoprase

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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

2.352.58-2.64

1 7.18

1.5 Fracture

Fibrous, Difficult, Fibrous

Gems, Sixth Edition (2006)

1.6 Cleavage

{001} Perfect

None

1.7 Mohs Hardness

2.5-36.5-7

2 10

1.8 Chemical Composition

Al(OH)3

SiO₂ (with a high level of nickel impurities )

Gibbsite and Chrysoprase Chemical Formula

While comparing Gibbsite and Chrysoprase 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 Gibbsite and Chrysoprase chemical formula.

Chemical formula of Gibbsite- Al(OH)3
Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Gibbsite Vs Galena

Gibbsite and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gibbsite and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gibbsite and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Gibbsite is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.