Gibbsite and Agate Opal Physical Properties

Gibbsite

Agate Opal

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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

2.351.98-2.50

1 7.18

1.5 Fracture

Fibrous, Difficult, Fibrous

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

{001} Perfect

Not Available

1.7 Mohs Hardness

2.5-35.5-6.5

2 10

1.8 Chemical Composition

Al(OH)3

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Gibbsite and Agate Opal Chemical Formula

While comparing Gibbsite and Agate Opal 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 Agate Opal chemical formula.

Chemical formula of Gibbsite- Al(OH)3
Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Compare Grey Gemstones

Gibbsite Vs Galena

Gibbsite Vs Pallasite

Gibbsite Vs Vanadinite

Gibbsite and Agate Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gibbsite and Agate Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gibbsite and Agate Opal Optical Properties during the identification of gemstone. Specific gravity of Gibbsite is 1.98-2.50 whereas that of Agate Opal is 1.98-2.50.