Emerald and Stichtite Physical Properties

Emerald

Stichtite

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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

2.67-2.782.11-2.20

1 7.18

1.5 Fracture

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

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

Imperfect on the [0001]

Perfect on {0001}

1.7 Mohs Hardness

7.5-8Not Available

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Emerald and Stichtite Chemical Formula

While comparing Emerald and Stichtite 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 Stichtite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Emerald and Stichtite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Stichtite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Stichtite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.11-2.20 whereas that of Stichtite is 2.11-2.20.