Strontianite (SrCO3) is a mineral consisting of strontium carbonate. This mineral is white, greenish, or yellowish in color,
usually occurring in fibrous massive forms, but sometimes in prismatic[?]crystals.
... 1528), sea explorer
Amerigo Vespucci, (1454-1512), discovered other parts of America and gave his name to the new continent
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Jean-Frédéric Waldeck, (1766-1875), ...