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A white, yellow, or gray mineral, chiefly BaCO3.

[German Witherit, after William Withering (1741-1799), British physician.]


(Minerals) a white, grey, or yellowish mineral consisting of barium carbonate in orthorhombic crystalline form: occurs in veins of lead ore. Formula: BaCO3
[C18: named after W. Withering (1741–99), English scientist, who first described it]


(ˈwɪð əˌraɪt)

a white to grayish mineral, barium carbonate, BaCO3, occurring in crystals and masses.
[1785–95; after W. Withering (1741–99), who first described it; see -ite1]
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For example, in Chapter 8, which is listed under Part 3, Elizabeth Witherite describes in detail how her passion for social justice has helped her formulate research questions, which eventually lead to her M.
Mostyn and two heavy-hitter trial lawyers, Amy Witherite of Dallas and Kurt Arnold of Houston, have formed a new group called the Texas Association of Consumer Lawyers.
Paterno could make life better or much worse for anyone employed by Penn State - from President Graham Spanier down to Jay Witherite, a janitorial supervisor who had listened to reports alleging rape in the showers of the massive athletic complex.
Take, for instance, the mineral witherite, a barium carbonate uncommon elsewhere in the world: mines near Hexham produced hundreds of thousands of tons of this mineral alone.
In general, the sources of barium in groundwater can be barium-rich feldspars, plagioclases, micas, apatite, baryte, barium-carbonate minerals of the aragonite group, such as witherite and alstonite (= bromlite, barytocalcite), barium rare-earth uranium carbonates, etc.
For long periods the only commercial source of the mineral witherite, used to make barium chemicals for use in glass, paint, cement and steel-hardening was Settlingstones Mine in Northumberland.
ankerite, siderite, witherite, strontianite, may form if the respective metal cations are available.
Barium carbonate (BaCO3), also known as witherite, is a chemical compound used in used in the production of television glass, glazes, enamel, ceramics and electroceramics, rat poison, bricks, and cement.
Sara Witherite, RR 1 Box 684CC, Osceola Mills, PA 16666.
7 Art Miami staff member Lisa Witherite with Director liana Vardy
Barium Carbonate--A solid material used as a rat poison and as a water purifier; a mineral known as witherite in its natural state.
In 1869, for example, with an output of 2,900 tons of lead, the company made a profit of over [pounds]12,000 from a turnover of [pounds]28,000, and soon after this the mine was producing other minerals, including zinc, witherite, barytes and even small quantities of silver.