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Phenakite
Phenakite

Stichtite
Stichtite



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Phenakite
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Stichtite

Phenakite and Stichtite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-2.982.11-2.20
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
1.6 Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}
Perfect on {0001}
1.7 Mohs Hardness
7.5-8Not Available
Amber
2 10
1.8 Chemical Composition
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Phenakite and Stichtite Chemical Formula

While comparing Phenakite 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 Phenakite and Stichtite chemical formula.

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

Phenakite and Stichtite Specific Gravity

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