Polyhalite and Anatase Physical Properties

Polyhalite

Anatase

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.783.82-3.97

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

Perfect on {10 1 }; parting on {010}

Perfect on [001] and [011]

1.7 Mohs Hardness

3.55.5-6

2 10

1.8 Chemical Composition

Not Available

TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Polyhalite and Anatase Chemical Formula

While comparing Polyhalite and Anatase 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 Polyhalite and Anatase chemical formula.

Chemical formula of Anatase- TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Red Gemstones

Polyhalite Vs Heliotrope

Polyhalite Vs Vanadinite

Polyhalite Vs Jacinth

Polyhalite and Anatase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Anatase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Anatase Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 3.82-3.97 whereas that of Anatase is 3.82-3.97.