Topaz and Amblygonite Physical Properties

Topaz

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

3.49-3.572.98-3.10

1 7.18

1.5 Fracture

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

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 10

1.8 Chemical Composition

Al₂SiO₄(F,OH)₂

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

Topaz and Amblygonite Chemical Formula

While comparing Topaz 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 Topaz and Amblygonite chemical formula.

Chemical formula of Topaz- Al₂SiO₄(F,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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Topaz and Amblygonite Specific Gravity

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