Locale — Pantano, Camarillas, Agramon, Spain, Europe

About this Particular Crystal

Menilite is a concretion of silica and calcium carbonate often considered a variety of opal. It forms in nodules of shale and gypsum, which produces these smooth, abstract concretions. You will find tiny shells and fossils embedded in these chalky forms. I love the abstract shapes of these.

Menilite was named in 1795 after the Parisian neighborhood of Ménilmontant where it was first described by the French geologist Jean-Claude Delamétherie.

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Details

• Size: 2.25" x 1.75" x 0.625"

• Weight: 56.75 grams