Anhydrite and Riebeckite Physical Properties

Anhydrite

Riebeckite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-2.98

3.28-3.44

1.5 Fracture

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

Uneven, Splintery, Brittle

1.6 Cleavage

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

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

1.7 Mohs Hardness

3.5

5.0-6.0

1.8 Chemical Composition

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

Not Available

Anhydrite and Riebeckite Chemical Formula

While comparing Anhydrite and Riebeckite 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 Riebeckite chemical formula.

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

Compare Blue Gemstones

Anhydrite Vs Beryl

Anhydrite Vs Black Opal

Anhydrite Vs Azurmalachite

Anhydrite and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anhydrite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anhydrite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Anhydrite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.

Blue Gemstones

Anyolite

Apatite

Aquamarine

Azurite

Azurmalachite

Beryl