Langbeinite and Sphalerite Physical Properties

Langbeinite

Sphalerite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Slowly dissolves in water

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.95-4.10

1 7.18

1.5 Fracture

Conchoidal, Brittle

UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven

1.6 Cleavage

None

{110} Perfect, {110} Perfect, {110} Perfect

1.7 Mohs Hardness

3.5-43.5-4

2 10

1.8 Chemical Composition

Not Available

(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Langbeinite and Sphalerite Chemical Formula

While comparing Langbeinite and Sphalerite 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 Sphalerite chemical formula.

Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Langbeinite and Sphalerite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Langbeinite and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.