Malachite and Amblygonite Physical Properties

Malachite

Amblygonite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.25-4.102.98-3.10

1 7.18

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Fracture

Conchoidal, Uneven

Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal

Cleavage

Perfect on { 2 01} fair on {010}

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

Mohs Hardness

3.5-46

2 10

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Chemical Composition

Cu₂CO₃(OH)₂

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

Malachite and Amblygonite Chemical Formula

While comparing Malachite 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 Malachite and Amblygonite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
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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Malachite and Amblygonite Specific Gravity

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