Gibbsite and Amblygonite Physical Properties

Gibbsite

Amblygonite

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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

2.352.98-3.10

1 7.18

1.5 Fracture

Fibrous, Difficult, Fibrous

Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{001} Perfect

[100] Perfect, [110] Good, [011] Distinct

1.7 Mohs Hardness

2.5-36

2 10

1.8 Chemical Composition

Al(OH)3

(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Gibbsite and Amblygonite Chemical Formula

While comparing Gibbsite and Amblygonite 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 Amblygonite chemical formula.

Chemical formula of Gibbsite- Al(OH)3
Chemical formula of Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Gibbsite and Amblygonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gibbsite and Amblygonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gibbsite and Amblygonite Optical Properties during the identification of gemstone. Specific gravity of Gibbsite is 2.98-3.10 whereas that of Amblygonite is 2.98-3.10.