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synthetic potassium
synthetic potassium

synthetic potassium

Datelate 19th-early 20th Century
Inventory Number1997-1-1450
ClassificationMineral
Subject
    Maker American ?
    Cultural Region
      Dimensions4 x 2 x 5 cm (1 9/16 x 13/16 x 1 15/16 in.)
      Material
        DescriptionWhite mineral sample. Somewhat rectnagular in shape with smooth surfaces around the long axis and rough ends.
        Signedunsigned
        Curatorial RemarksMineral identification confirmed by Kevin Czaja, Curatorial Assistant, Mineralogical & Geological Museum, Harvard University, on Wednesday, August 12, 2015. Written on the mineral is "1675" (early Harvard number) and "K53"
        orthoclase
        orthoclase
        American
        Date: late 19th-early 20th Century
        Object number: 1997-1-1434
        synthetic carbonundum
        synthetic carbonundum
        American
        Date: late 19th-early 20th Century
        Object number: 3830
        orthoclase
        orthoclase
        American
        Date: late 19th-early 20th Century
        Object number: 1997-1-1436
        flourite
        flourite
        American
        Date: late 19th-early 20th Century
        Object number: 1997-1-1444
        schorl
        schorl
        American
        Date: late 19th-early 20th Century
        Object number: 1997-1-1470
        synthetic potassium crystals
        synthetic potassium crystals
        Object number: 3885
        synthetic potassium crystal
        synthetic potassium crystal
        Object number: 3886
        unknown, synthetic(?)
        unknown, synthetic(?)
        American
        Date: late 19th-early 20th Century
        Object number: 1997-1-1482
        schorl crystals in pegmatite
        schorl crystals in pegmatite
        American
        Date: late 19th-early 20th Century
        Object number: 1997-1-1432
        galena and siderite
        galena and siderite
        American
        Date: late 19th-early 20th Century
        Object number: 1997-1-1472
        barite
        barite
        Ward's Natural Science Establishment Inc.
        Date: late 19th-early 20th Century
        Accessories: one small piece of paper with a drawing of barite crystal.
        Object number: 1997-1-1478
        fourteen cylinders of Pyrite, Argentite, Crocoite in cardboard box
        fourteen cylinders of Pyrite, Argentite, Crocoite in cardboard box
        Percy Williams Bridgman
        Date: circa 1925
        Accessories: wooden shipping crate
        Object number: 1998-1-1342