Chambers 1908 defines it as "native iron protocarbonate". We appear to have that sense, but worded differently: protocarbonate still requires an entry. Equinox ◑ 23:51, 22 July 2019 (UTC)
Chambers 1908 defines it as "native iron protocarbonate". We appear to have that sense, but worded differently: protocarbonate still requires an entry. Equinox ◑ 23:51, 22 July 2019 (UTC)Reply