Amblygonite and Topaz Physical Properties

Amblygonite

Topaz

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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

2.98-3.103.49-3.57

1 7.18

1.5 Fracture

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

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

[001] Perfect

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

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

Al₂SiO₄(F,OH)₂

Amblygonite and Topaz Chemical Formula

While comparing Amblygonite and Topaz 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 Topaz 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 Topaz- Al₂SiO₄(F,OH)₂

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Amblygonite and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amblygonite and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amblygonite and Topaz Optical Properties during the identification of gemstone. Specific gravity of Amblygonite is 3.49-3.57 whereas that of Topaz is 3.49-3.57.