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Gongshi (Chinese: 供石), also known as scholar's rocks or viewing stones, are naturally occurring or shaped rocks which are traditionally appreciated by Chinese scholars. [1] The term is related to the Korean suseok ( 수석 ) and the Japanese suiseki ( 水石 ).
A crystal that yielded a 120.68-carat (24.136 g) oval mixed-cut gem was also uncovered in early 2006. [7] The Lion of Merelani is a square cushion cut tsavorite that weighs 116.76 carats and has 177 facets.
F=f(Sh, A, R, Sp, T) where f denotes a functional relationship between these terms and where Sh denotes the shape, Sp the sphericity and T the micro-scale surface texture. [ 2 ] An example of this practical use has been applied to the roundness of the grains in the Gulf of Mexico in order to observe the distance from the source rocks.
Taaffeite (/ ˈ t ɑː f aɪ t /; BeMgAl 4 O 8) is a mineral, named after its discoverer Richard Taaffe (1898–1967) who found the first sample, a cut and polished gem, in October 1945 in a jeweler's shop in Dublin, Ireland.
Chrysoprase, chrysophrase or chrysoprasus is a gemstone variety of chalcedony (a cryptocrystalline form of silica) that contains small quantities of nickel.Its color is normally apple-green, but varies from turquoise-like cyan to deep green.
The Allison and Roberto Mignone Halls of Gems and Minerals are a series of exhibition halls at the American Museum of Natural History on the Upper West Side in Manhattan, New York City. The halls opened on June 12, 2021, as a complete redesign of their predecessors, the Harry Frank Guggenheim Hall of Gems and Minerals and Morgan Memorial Hall ...
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Level 13 Level 15 Level 19 Rocks'n'Diamonds is a puzzle video game with elements of Boulder Dash , Supaplex , Emerald Mine , Solomon's Key , and Sokoban . It is free software under the GNU GPL-2.0-only license created by Artsoft Entertainment and designed by Holger Schemel.