BERG-MEHL
\bˈɜːɡmˈe͡ɪl], \bˈɜːɡmˈeɪl], \b_ˈɜː_ɡ_m_ˈeɪ_l]\
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[Ger.] (Geol.) Mountain meal, Tripoli, Polier schiefer, Kiesel-guhr, Diatomaceous earth, etc. Recent and Tertiary deposits of whitish fine powder, almost entirely from the frustules or siliceous cell-walls of Diatomaceae; some varieties are mixed with food, increasing the bulk, and, perhaps, slightly nutritious; used for polishing metals. Found in Norway, Tripoli, Richmond, U.S., Mull, Dolgelly, Mourne Mountains, etc.
By Henry Percy Smith
