Omphacite and Montebrasite Physical Properties

Omphacite

Montebrasite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.16-3.432.98-3.10

1 7.18

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Fracture

Uneven, Conchoidal

Cleavage

{110} Good, {110} Good

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

Mohs Hardness

5-65.5-6

2 10

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Chemical Composition

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

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

Omphacite and Montebrasite Chemical Formula

While comparing Omphacite 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 Omphacite and Montebrasite chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Compare Green Gemstones

Omphacite Vs Rutilated Quartz

Omphacite Vs Sapphirine

Omphacite Vs Seraphinite

Omphacite and Montebrasite Specific Gravity

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