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Anhydrite
Anhydrite

Hodgkinsonite
Hodgkinsonite



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Anhydrite
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Hodgkinsonite

Anhydrite and Hodgkinsonite 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
2.90-2.98
4.06-4.08
1.5 Fracture
Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
1.6 Cleavage
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
{???} Perfect
1.7 Mohs Hardness
3.5
4.5-5
1.8 Chemical Composition
CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
Mn2+ Zn 2SiO 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Anhydrite and Hodgkinsonite Chemical Formula

While comparing Anhydrite and Hodgkinsonite 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 Anhydrite and Hodgkinsonite chemical formula.

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

Anhydrite and Hodgkinsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anhydrite and Hodgkinsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anhydrite and Hodgkinsonite Optical Properties during the identification of gemstone. Specific gravity of Anhydrite is 4.06-4.08 whereas that of Hodgkinsonite is 4.06-4.08.