Amblygonite and Iolite Physical Properties

Amblygonite

Iolite

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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

2.98-3.102.6-2.7

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

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

3,1

1.7 Mohs Hardness

67-7.5

2 10

1.8 Chemical Composition

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

Mg₂Al₄Si₅O₁₈

Amblygonite and Iolite Chemical Formula

While comparing Amblygonite and Iolite 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 Amblygonite and Iolite chemical formula.

Chemical formula of Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Amblygonite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amblygonite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amblygonite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Amblygonite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.