Lepidolite and Anhydrite Physical Properties

Lepidolite

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

2.80-2.902.90-2.98

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

{001} perfect

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

1.7 Mohs Hardness

2.53.5

2 10

1.8 Chemical Composition

Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

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

Lepidolite and Anhydrite Chemical Formula

While comparing Lepidolite 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 Lepidolite and Anhydrite chemical formula.

Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Lepidolite and Anhydrite Specific Gravity

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