Gibbsite and Agrellite Physical Properties

Gibbsite

Agrellite

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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

2.352.88

1 7.18

1.5 Fracture

Fibrous, Difficult, Fibrous

Not Available

1.6 Cleavage

{001} Perfect

perfect [110]

1.7 Mohs Hardness

2.5-35.5

2 10

1.8 Chemical Composition

Al(OH)3

NaCa2Si4O10F

Gibbsite and Agrellite Chemical Formula

While comparing Gibbsite and Agrellite 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 Agrellite chemical formula.

Chemical formula of Gibbsite- Al(OH)3
Chemical formula of Agrellite- NaCa2Si4O10F

Compare Grey Gemstones

Gibbsite Vs Galena

Gibbsite Vs Vanadinite

Gibbsite Vs Pallasite

Gibbsite and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gibbsite and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gibbsite and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Gibbsite is 2.88 whereas that of Agrellite is 2.88.