Fuchsite and Anhydrite Physical Properties

Fuchsite

Anhydrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.77-2.88

2.90-2.98

1.5 Fracture

Uneven

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

1.6 Cleavage

Perfect basal

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

1.7 Mohs Hardness

2.5

3.5

1.8 Chemical Composition

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

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

Fuchsite and Anhydrite Chemical Formula

While comparing Fuchsite 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 Fuchsite and Anhydrite chemical formula.

Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Fuchsite and Anhydrite Specific Gravity

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