Poldervaartite and Friedelite Physical Properties

Poldervaartite

Friedelite

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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

2.913.06-3.19

1 7.18

1.5 Fracture

Handbook of mineralogy (2001)

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

1.6 Cleavage

None

{010} Perfect

1.7 Mohs Hardness

Not Available4-5

2 10

1.8 Chemical Composition

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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

Poldervaartite and Friedelite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Friedelite chemical formula.

Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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Poldervaartite and Friedelite Specific Gravity

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