Pargasite and Pink Spinel Crystals on Calcite Marble

$90.00 $72.00

Spinel is the magnesium aluminium member of the larger spinel group of minerals with chemical formula MgAl₂O₄                                     Pargasite is a complex inosilicate mineral of the amphibole group with formula NaCa₂O₂₂(OH)₂.

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