Omphacite and Milarite Physical Properties

Omphacite

Milarite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.16-3.432.52-2.60

1 7.18

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Fracture

Uneven, Conchoidal

Cleavage

{110} Good, {110} Good

{0001} Imperfect, {1120} Imperfect

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)

KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Omphacite and Milarite Chemical Formula

While comparing Omphacite and Milarite 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 Milarite chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Omphacite Vs Rutilated Quartz

Omphacite Vs Sapphirine

Omphacite Vs Seraphinite

Omphacite and Milarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Omphacite and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Milarite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 2.52-2.60 whereas that of Milarite is 2.52-2.60.