Spinel crystal group, 5.5 cm, from Amity, Warwick Township, Orange County, New York. This is an old piece originally from the collection of Clarence S. Bement. In 1900, Bement sold his collection to J. Pierpont Morgan, who donated it to the American Museum of Natural History. Ex collections of James Zigras, Robert Rosenblatt, and George Loud. László Kupi photo.
, color range from ruby red to cobalt blue, sharp octahedral form, hardness 8, rare gemmy crystals on marble, prized by collectors for rarity and luster.
New York, USA - diverse mineral provinces from Herkimer quartz to Balmat sphalerite; prized for regional varieties, historic specimens, and zinc-rich lodes.
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