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Hodgkinsonite
Hodgkinsonite

Anhydrite
Anhydrite



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Hodgkinsonite
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Anhydrite

Hodgkinsonite and Anhydrite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.06-4.08
2.90-2.98
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
{???} Perfect
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
1.7 Mohs Hardness
4.5-5
3.5
1.8 Chemical Composition
Mn2+ Zn 2SiO 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Hodgkinsonite and Anhydrite Chemical Formula

While comparing Hodgkinsonite and Anhydrite 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 Hodgkinsonite and Anhydrite chemical formula.

  • Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Anhydrite- CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Hodgkinsonite and Anhydrite Specific Gravity

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