Rhodolite and Emerald Physical Properties

Rhodolite

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

3.84

2.67-2.78

1.5 Fracture

Conchoidal

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

1.6 Cleavage

none, may show indistinct parting

Imperfect on the [0001]

1.7 Mohs Hardness

7-7.5

7.5-8

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

Be₃Al₂SiO₆

Rhodolite and Emerald Chemical Formula

While comparing Rhodolite 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 Rhodolite and Emerald chemical formula.

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

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Rhodolite and Emerald Specific Gravity

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