Septarian Nodule Polished Freeform | Madagascar #3243
$145.00
Septarian nodule polished freeform display piece with silky Black Aragonite from Madagascar.
Septarian formed tens of millions years ago when mud and clay sediments on ancient seabeds cracked as they dried. Mineral-rich groundwater filled these cracks with calcite, aragonite, and limestone, creating the distinctive natural patterns seen today.
Weight - 1.815kg
Size - 14.5cm x 10.5cm
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