Emerald and Milarite Physical Properties

Emerald

Milarite

Milarite and Emerald Physical Properties

Physical Properties

Tenacity

Not Available

Solubility

Not Available

Durability

Hard

Not Available

Specific Gravity

2.67-2.78

2.52-2.60

Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

Cleavage

Imperfect on the [0001]

{0001} Imperfect, {1120} Imperfect

Mohs Hardness

7.5-8

5.5-6

Chemical Composition

Be₃Al₂SiO₆

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

Optical Properties >>

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Emerald and Milarite Chemical Formula

While comparing Emerald 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 Emerald and Milarite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Emerald and Milarite Specific Gravity

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