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Pargasite
Pargasite
☒

Cordierite
Cordierite
☒



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Pargasite
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Cordierite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.04-3.26
Splintery, Uneven
{110} perfect
5-6
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Brittle
-
-
2.57-2.66
Subconchoidal, Conchoidal
Fair on {100}, poor on {001} and {010}
7-7.5
Mg2Al4Si5O18

Compare Green Gemstones

Green Gemstones

Smaragdite
Smaragdite
Smithsonite
Smithsonite
Sphalerite
Sphalerite
Cordierite
Pyromorphite
Cordierite Vs Pyromorphite
Cordierite
Riesling Beryl
Cordierite Vs Riesling Beryl
Cordierite
Rutilated Quartz
Cordierite Vs Rutilated Quartz

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