Langbeinite and Spinel Physical Properties

Langbeinite

Spinel

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Slowly dissolves in water

none

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.64-3.66

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

None, but may exhibit slight parting

1.7 Mohs Hardness

3.5-48

2 10

1.8 Chemical Composition

Not Available

MgAl₂O₄

Langbeinite and Spinel Chemical Formula

While comparing Langbeinite and Spinel 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 Spinel chemical formula.

Chemical formula of Spinel- MgAl₂O₄

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Langbeinite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Langbeinite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.