Hureaulite and Kyanite Physical Properties

Hureaulite

Kyanite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.193.53-3.65

1 7.18

1.5 Fracture

Brittle, Uneven

Splintery, Brittle, Metallic

1.6 Cleavage

{???} Distinct

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

3.54-7

2 10

1.8 Chemical Composition

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

Not Available

Hureaulite and Kyanite Chemical Formula

While comparing Hureaulite and Kyanite 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 Kyanite chemical formula.

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

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Hureaulite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hureaulite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hureaulite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Hureaulite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.