Sphalerite and Montebrasite Physical Properties

Sphalerite

Montebrasite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.95-4.102.98-3.10

1 7.18

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Fracture

Uneven

Uneven, Conchoidal

Cleavage

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

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

Mohs Hardness

3.5-45.5-6

2 10

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Chemical Composition

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

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

Sphalerite and Montebrasite Chemical Formula

While comparing Sphalerite and Montebrasite 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 Sphalerite and Montebrasite chemical formula.

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

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Sphalerite and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphalerite and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.