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Smaragdite
Smaragdite

Cymophane
Cymophane



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Smaragdite
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Cymophane
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.24-3.50
-
None
5.5
NaCa2(Al,Fe)3Si6O18(OH)4
 
-
-
-
3.69-3.81
-
Perfect
8.5
BeAl 2O 4Arthur Thomas , Gemstones (2009)