Topaz and Hureaulite Physical Properties

Topaz

Hureaulite

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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

3.49-3.573.19

1 7.18

1.5 Fracture

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

Brittle, Uneven

1.6 Cleavage

[001] Perfect

{???} Distinct

1.7 Mohs Hardness

83.5

2 10

1.8 Chemical Composition

Al₂SiO₄(F,OH)₂

Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)

Topaz and Hureaulite Chemical Formula

While comparing Topaz and Hureaulite 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 Hureaulite chemical formula.

Chemical formula of Topaz- Al₂SiO₄(F,OH)₂
Chemical formula of Hureaulite- Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems for Sagittarius

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Topaz Vs Pietersite

Topaz Vs Petoskey Stone

Topaz and Hureaulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topaz and Hureaulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Hureaulite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 3.19 whereas that of Hureaulite is 3.19.