Pseudomorphs are among the most fascinating mineral specimens, preserving the outward crystal shape of one mineral while its internal composition has been replaced by another. These specimens from Saint-Pierre-Montlimart showcase dolomite that has completely replaced earlier calcite crystals, retaining the original crystal form while recording a remarkable natural transformation.
Discovered in 2015, this French locality quickly gained recognition for producing attractive pseudomorphs with sculptural crystal habits and sparkling drusy surfaces. Their combination of geological significance, distinctive appearance, and limited period of discovery has made them a desirable addition to collections focused on classic French minerals and mineral replacement processes.
Dolomite pseudomorph after Calcite Saint-Pierre-Montlimart Maine-et-Loire, France Discovered: 2015
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