Hodgkinsonite and Chalcedony Physical Properties

Hodgkinsonite

Chalcedony

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

4.06-4.08

2.55-2.70

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

1.6 Cleavage

{???} Perfect

Absent

1.7 Mohs Hardness

4.5-5

6.5-7

1.8 Chemical Composition

Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO₂

Hodgkinsonite and Chalcedony Chemical Formula

While comparing Hodgkinsonite and Chalcedony 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 Chalcedony chemical formula.

Chemical formula of Hodgkinsonite- Mn2+ Zn 2SiO 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Chalcedony- SiO₂

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Hodgkinsonite and Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hodgkinsonite and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hodgkinsonite and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Hodgkinsonite is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.