Plumbogummite and Anhydrite Physical Properties

Plumbogummite

Anhydrite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.0142.90-2.98

1 7.18

1.5 Fracture

Uneven, Conchoidal

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

1.6 Cleavage

None

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

1.7 Mohs Hardness

4-53.5

2 10

1.8 Chemical Composition

Not Available

CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Plumbogummite and Anhydrite Chemical Formula

While comparing Plumbogummite 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 Plumbogummite and Anhydrite chemical formula.

Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Plumbogummite and Anhydrite Specific Gravity

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