Grandidierite and Langbeinite Physical Properties

Grandidierite

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

2.85-3.00Not Available

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

Perfect

None

1.7 Mohs Hardness

7.53.5-4

2 10

1.8 Chemical Composition

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Not Available

Grandidierite and Langbeinite Chemical Formula

While comparing Grandidierite 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 Grandidierite and Langbeinite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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Grandidierite and Langbeinite Specific Gravity

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