Description
Large black tourmaline (schorl) crystal, perfectly finished, combined with a smaller crystal in white quartz. The tourmaline crystal, in perfect condition, is remarkable for the locality.
Tourmaline crystals from the Terrade quarry at Marmagne in the Morvan region of Saône-et-Loire.
A unique specimen from the collection of the quarry’s porion (foreman)! Ex. Coulaud collection.
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