Rosasite and Gibbsite Physical Properties

Rosasite

Gibbsite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.22.35

1 7.18

1.5 Fracture

Splintery

Fibrous, Difficult, Fibrous

1.6 Cleavage

Perfect on {100} and {010}

{001} Perfect

1.7 Mohs Hardness

42.5-3

2 10

1.8 Chemical Composition

Not Available

Al(OH)3

Rosasite and Gibbsite Chemical Formula

While comparing Rosasite 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 Rosasite and Gibbsite chemical formula.

Chemical formula of Gibbsite- Al(OH)3

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Rosasite and Gibbsite Specific Gravity

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