Friedelite and Prase Physical Properties

Friedelite

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

3.06-3.192.64-2.69

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven

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

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

4-57

2 10

1.8 Chemical Composition

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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

Friedelite and Prase Chemical Formula

While comparing Friedelite 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 Friedelite and Prase chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Chemical formula of Prase- SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Friedelite and Prase Specific Gravity

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