Rhodolite and Anhydrite Physical Properties

Rhodolite

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

3.842.90-2.98

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

none, may show indistinct parting

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

1.7 Mohs Hardness

7-7.53.5

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

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

Rhodolite and Anhydrite Chemical Formula

While comparing Rhodolite 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 Rhodolite and Anhydrite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Rhodolite and Anhydrite Specific Gravity

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