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Milarite
Milarite

Pyrophyllite
Pyrophyllite



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Milarite
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Pyrophyllite

Milarite and Pyrophyllite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.52-2.602.65-2.90
1 7.18
👆🏻

Fracture

Uneven, Conchoidal
-

Cleavage

{0001} Imperfect, {1120} Imperfect
{001} Perfect

Mohs Hardness

5.5-6-9999
2 10
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Chemical Composition

KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Milarite and Pyrophyllite Chemical Formula

While comparing Milarite and Pyrophyllite 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 Pyrophyllite chemical formula.

  • Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Milarite and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Milarite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Milarite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Milarite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.