Hibschite and Prase Physical Properties

Hibschite

Prase

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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

3.05-3.082.64-2.69

1 7.18

1.5 Fracture

Uneven, Uneven, Irregular, Management Team (2012), Conchoidal, Brittle

Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)

1.6 Cleavage

None

Not Available

1.7 Mohs Hardness

6.57

2 10

1.8 Chemical Composition

Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)

SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Hibschite and Prase Chemical Formula

While comparing Hibschite and Prase 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 Hibschite and Prase chemical formula.

Chemical formula of Hibschite- Ca 3Al 2(SiO 4) 3-x(OH) 4x (x=0.2 to 1.5)Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Prase- SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Hibschite and Prase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hibschite and Prase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibschite and Prase Optical Properties during the identification of gemstone. Specific gravity of Hibschite is 2.64-2.69 whereas that of Prase is 2.64-2.69.