Montebrasite and Sphalerite Physical Properties

Montebrasite

Sphalerite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.98-3.103.95-4.10

1 7.18

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Fracture

Uneven, Conchoidal

Uneven

Cleavage

{100} Perfect, {110} Good, {011} Distinct

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

Mohs Hardness

5.5-63.5-4

2 10

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Chemical Composition

LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

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

Montebrasite and Sphalerite Chemical Formula

While comparing Montebrasite 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 Montebrasite and Sphalerite chemical formula.

Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Montebrasite and Sphalerite Specific Gravity

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