Hureaulite and Tanzanite Physical Properties

Hureaulite

Tanzanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

3.193.35

1 7.18

1.5 Fracture

Brittle, Uneven

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{???} Distinct

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

3.56.5-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Hureaulite and Tanzanite Chemical Formula

While comparing Hureaulite and Tanzanite 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 Hureaulite and Tanzanite chemical formula.

Chemical formula of Hureaulite- Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Hureaulite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hureaulite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hureaulite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Hureaulite is 3.35 whereas that of Tanzanite is 3.35.