Iddingsite and Emerald Physical Properties

Iddingsite

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

2.5-2.82.67-2.78

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

{???} Perfect

Imperfect on the [0001]

1.7 Mohs Hardness

37.5-8

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

Be₃Al₂SiO₆

Iddingsite and Emerald Chemical Formula

While comparing Iddingsite 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 Iddingsite and Emerald chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
Chemical formula of Emerald- Be₃Al₂SiO₆

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Iddingsite and Emerald Specific Gravity

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