A rare white mineral consisting of barium carbonate, occurring especially in veins of galena.
- The mining of nonmetallic ores - fluorspar, witherite, and barite (known locally as baryte) - in the Northern Pennines began about the time lead and iron mining were in serious decline.
- The most common ores of barium are barite and witherite.
- Other carbonates, i.e., ankerite, siderite, witherite, strontianite, may form if the respective metal cations are available.
Late 18th century: from the name of William Withering (1741–99), the English physician and scientist who first described it, + -ite1.
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