Langbeinite and Friedelite Physical Properties

Langbeinite

Friedelite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.06-3.19

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

None

{010} Perfect

1.7 Mohs Hardness

3.5-44-5

2 10

1.8 Chemical Composition

Not Available

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

Langbeinite and Friedelite Chemical Formula

While comparing Langbeinite 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 Langbeinite and Friedelite chemical formula.

Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

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Langbeinite and Friedelite Specific Gravity

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