Langbeinite and Diaspore Physical Properties

Langbeinite

Diaspore

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1 Physical Properties

1.1 Tenacity

Brittle

Very brittle

1.2 Solubility

Slowly dissolves in water

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.30-3.40

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

None

{010} perfect, {110} distinct, {100} in traces

1.7 Mohs Hardness

3.5-46.5-7

2 10

1.8 Chemical Composition

Not Available

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Langbeinite and Diaspore Chemical Formula

While comparing Langbeinite and Diaspore 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 Diaspore chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Langbeinite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Langbeinite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.