Iolite / Cordierite Pocket Stone

Availability: Sold
$9.00 $10.00

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This listing is for 1 single Iolite or Cordierite Pocket Stone.
Cordierite or iolite is a magnesium iron aluminium cyclosilicate. Iron is almost always present and a solid solution exists between Mg-rich cordierite and Fe-rich sekaninaite with a series formula: (Mg, Fe)₂Al₃ to (Fe, Mg)₂Al₃. Wikipedia

Luster: Vitreous
Chemical formula: Mg₂Al₄Si₅O₁₈
Transparency: Translucent, Transparent

Length: 40mm
Width: 33mm
Height: 9mm
Weight: 22g