Montebrasite and Peridot Physical Properties

Montebrasite

Peridot

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.98-3.101.54-1.55

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

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

Poor

Mohs Hardness

5.5-66.5-7

2 10

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Chemical Composition

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

(Mg,Fe)₂SiO₄

Montebrasite and Peridot Chemical Formula

While comparing Montebrasite and Peridot 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 Peridot 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 Peridot- (Mg,Fe)₂SiO₄

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Montebrasite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Montebrasite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.