Hodgkinsonite and Aragonite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Dilute acid
Durability
Not Available
Not Available
Specific Gravity
4.06-4.08
2.93-2.96
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
{???} Perfect
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
4.5-5
3.5-4
Chemical Composition
Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hodgkinsonite and Aragonite Chemical Formula
While comparing Hodgkinsonite and Aragonite 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 Aragonite chemical formula.
- Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hodgkinsonite and Aragonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hodgkinsonite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hodgkinsonite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Hodgkinsonite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.