Rhodizite and Emerald Physical Properties

Rhodizite

Emerald

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

3.34-3.442.67-2.78

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

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

1.6 Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

Imperfect on the [0001]

1.7 Mohs Hardness

8-8.57.5-8

2 10

1.8 Chemical Composition

(K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Be₃Al₂SiO₆

Rhodizite and Emerald Chemical Formula

While comparing Rhodizite and Emerald 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 Rhodizite and Emerald chemical formula.

Chemical formula of Rhodizite- (K,Cs)Al 4Be 4(B,Be) 12O 28Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Emerald- Be₃Al₂SiO₆

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Rhodizite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodizite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodizite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Rhodizite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.