Poudretteite and Friedelite Physical Properties

Poudretteite

Friedelite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.533.06-3.19

1 7.18

1.5 Fracture

Conchoidal, Splintery

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

1.6 Cleavage

None

{010} Perfect

1.7 Mohs Hardness

54-5

2 10

1.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Poudretteite and Friedelite Chemical Formula

While comparing Poudretteite and Friedelite 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 Poudretteite and Friedelite chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Compare Violet Gemstones

Poudretteite Vs Sapphire

Poudretteite Vs Rutilated Quartz

Poudretteite Vs Rubellite

Poudretteite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.