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It was donated to the museum by the financier J.P. Morgan. The thin, radiant, six pointed star, or asterism, is created by incoming light that reflects from needle-like crystals of the mineral rutile which are found within the sapphire. The Star of India is polished into the shape of a cabochon, or dome, to enhance the star's beauty. [12]
Gehrig and Brooks went on to found the Montreal Gem and Mineral Club in 1957. [1] That same year, Brooks opened his first shop, which he sold in 1961. [ 1 ] Brooks and his wife Jean then travelled, visiting gem sources around the world, including mining for opals , in Andamooka, South Australia . [ 1 ]
GEM announced plans in December 1965 to merge with Parkview Drugs, a Kansas City-based chain, creating a new parent company called Parkview-GEM. [7] [8] The merger was finalize five months later. [9] A 1971 Democrat and Chronicle story reported that a lone gunman robbed more than $6,000 from the cashier’s office at a Rochester, New York, GEM ...
The earliest donations were noted in the museum's annual report on June 30, 1899, when the institution reported that Dr. L. T. Chamberlain gave them two cut Yogo sapphires and 21 other sapphires for their Dr. Isaac Lea gem and mineral collection. [91] The record-setting 10.2-carat (2.04 g) cut Yogo is also held by the Smithsonian.
The New York Mineralogical Club, Inc. is the oldest continually-operating mineral club in the United States. [1] The club was founded by George Frederick Kunz, Benjamin B. Chamberlin and Professor Daniel S. Martin, on September 21, 1886, in the home of Professor Daniel S. Martin at 236 West 4th Street, New York City.
Asterism is generated by reflections of light from twin-lamellae or from extremely fine needle-shaped acicular inclusions within the stone's crystal structure. [1] A common cause is oriented sub-microscopic crystals of rutile within the gem mineral. It occurs in rubies, sapphires, garnet, diopside, and spinel when a cabochon is cut from a ...
Llanite is a porphyritic rhyolite with distinctive phenocrysts of blue quartz (a rare quartz color) and perthitic feldspar (light grayish-orangeish). The brown, fine-grained groundmass consists of very small quartz, feldspar, and biotite mica crystals.
In subsequent decades, it was augmented primarily by gifts, including Andrew Carnegie's 1904 donation of the notable mineral collection of William W. Jefferis of West Chester, Pennsylvania (about 12,000 specimens), and a donation in 1902 of 2,600 gems from John L. Lewis, President of the Lewis Foundry & Machine Company located in Groveton ...
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