2.2" Chrome-Vesuvianite Crystal Cluster - Jeffrey Mine, Canada

Chrome-Vesuvianite Crystal Cluster - Jeffrey Mine, Canada #134426

This is a lustrous, 2.2" wide cluster of chrome-vesuvianite crystals from the famous Jeffrey Mine in Quebec, Canada. Chrome-vesuvianite occurs when chromium ions are present during formation, replacing some of the aluminum ions within the chemical composition. Now that this mine is closed, these specimens are getting hard to come by. This specimen was collected by Tony Gordian.

Vesuvianite, also known as idocrase, is a green, brown, yellow, or blue silicate mineral. Vesuvianite occurs as tetragonal crystals in skarn deposits and limestones that have been subjected to contact metamorphism. It was first discovered within included blocks or adjacent to lavas on Mount Vesuvius, hence its name. Attractive-looking crystals are sometimes cut as gemstones.

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