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Mengo L.  Morgenthau

Mengo Lazarus Morgenthau (brother of U.S. Ambassador to Turkey Henry Morgenthau) was born in Mannheim, Germany on May 5, 1860, the son of Babette Guggenheim and Lazarus Morgenthau (1815-1897), a cigarmaker and unsuccessful inventor. He came to the U.S. at the age of six, with his parents.

Morgenthau began collecting minerals in the late teens (1915-1919). He was President of Mirror Candy Stores in New York, and would sometimes display his minerals in his stores on Fifth Avenue and on Broadway. He is known to have purchased the mineral collection of Frank McMillen Stanton (very rich in minerals from the Michigan Copper Country) for around $4000. Whitlock (1921) wrote: "Among the specimens, which number some 1500, are magnificent crystallized copper, calcite and massive datolite from Lake Superior; large and remarkably fine fluorite, barite and cuprite from England; a splendid series of malachite and azurite from Arizona; a wonderful collection of crystallized and nugget gold; not to mention notably large and handsome specimens all along the line."

He married Belle Mayer ___, and they had two daughters: Agnes Josephine (born March 20, 1892 in Chicago) and Louise Henriette (born January 12, 1896 in Chicago). He was charter member of the Mineralogical Society of America. He compiled Minerals and Cut Stones: Reference Book Containing Condensed and Simplified Descriptions From Standard Works on Mineralogy (1923). He died in 1927.

WHITLOCK, H. P. (1921) The Morgenthau collection. American Mineralogist, 6 (1), 1-2.
CANFIELD, F. A. (1923) The disposition of some American collections of minerals. Privately printed.
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