Witherite, BaCO3.
BA Barium (barytes) used as asource of Barium compounds in the brick and
ceramic industries, also in modern times in paints, oil well drilling
fluids.
>From: Alan Vickers <[log in to unmask]>
>Reply-To: "The mining-history list." <[log in to unmask]>
>To: [log in to unmask]
>Subject: Witherite.
>Date: Sun, 17 Feb 2002 11:14:38 -0000
>
>I have been reading in David Temple's book The Collieries of Durham, Volume
>2, of the discovery in 1932 of witherite (barium carbonate) in Morrisn
>North pit, in County Durham, in sufficient quantities to be economically
>mined. The following year a new shaft was sunk at Morrison for the purpose
>of riding the men who were to extract the witherite.
>
>Temple says that this made the Morrison pit and Settlingstones in
>Northumberland as the only two pits in Britain to have discovered workable
>reserves of witherite.
>
>Can any list member tell me what witherite was used for?
>
>Alan.
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