Stichtite and Phenakite Physical Properties

Stichtite

Phenakite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.11-2.202.90-2.98

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle

1.6 Cleavage

Perfect on {0001}

Distinct on {11 2 0}, imperfect on {10 1 1}

1.7 Mohs Hardness

Not Available7.5-8

2 10

1.8 Chemical Composition

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

Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Stichtite and Phenakite Chemical Formula

While comparing Stichtite and Phenakite 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 Stichtite and Phenakite chemical formula.

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

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Stichtite and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stichtite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stichtite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Stichtite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.