Emerald and Rhodolite Physical Properties

Emerald

Rhodolite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

2.67-2.783.84

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Imperfect on the [0001]

none, may show indistinct parting

1.7 Mohs Hardness

7.5-87-7.5

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

(Mg,Fe)₃Al₂Si₃O₁₂

Emerald and Rhodolite Chemical Formula

While comparing Emerald and Rhodolite 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 Rhodolite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

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Emerald and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 3.84 whereas that of Rhodolite is 3.84.