Vivianite and Langbeinite Physical Properties

Vivianite

Langbeinite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Slowly dissolves in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.64-2.70Not Available

1 7.18

1.5 Fracture

(e.g. graphite).

Conchoidal, Brittle

1.6 Cleavage

{010} Perfect

None

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Not Available

Vivianite and Langbeinite Chemical Formula

While comparing Vivianite and Langbeinite 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 Vivianite and Langbeinite chemical formula.

Chemical formula of Vivianite- Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

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Vivianite and Langbeinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vivianite and Langbeinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vivianite and Langbeinite Optical Properties during the identification of gemstone. Specific gravity of Vivianite is Not Available whereas that of Langbeinite is Not Available.