Carletonite and Emerald Physical Properties

Carletonite

Emerald

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

2.45

2.67-2.78

1.5 Fracture

Conchoidal, Conchoidal, Brittle

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

1.6 Cleavage

Perfect on {001}, good on {110}

Imperfect on the [0001]

1.7 Mohs Hardness

4-4.5

7.5-8

1.8 Chemical Composition

KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Be₃Al₂SiO₆

Carletonite and Emerald Chemical Formula

While comparing Carletonite 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 Carletonite and Emerald chemical formula.

Chemical formula of Carletonite- KNa 4Ca 4Si 8O 18(CO 3) 4(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Emerald- Be₃Al₂SiO₆

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Carletonite and Emerald Specific Gravity

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