Langbeinite and Creedite Physical Properties

Langbeinite

Creedite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.70

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

None

Perfect on {100}

1.7 Mohs Hardness

3.5-44.5

2 10

1.8 Chemical Composition

Not Available

Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Langbeinite and Creedite Chemical Formula

While comparing Langbeinite and Creedite 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 Creedite chemical formula.

Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

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Langbeinite and Creedite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Langbeinite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Creedite Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 2.70 whereas that of Creedite is 2.70.