Milarite and Anhydrite Physical Properties

Milarite

Anhydrite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

2.52-2.602.90-2.98

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal

Cleavage

{0001} Imperfect, {1120} Imperfect

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

Mohs Hardness

5.5-63.5

2 10

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Chemical Composition

KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Milarite and Anhydrite Chemical Formula

While comparing Milarite 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 Milarite and Anhydrite chemical formula.

Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare White Gemstones

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Milarite and Anhydrite Specific Gravity

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