Lapidary
61Lake Superior agate — The Lake Superior agate is a type of agate stained by iron and found on the shores of Lake Superior. Its wide distribution and iron rich bands of color reflect the gemstone s geologic history in Minnesota. In 1969 the Lake Superior agate was… …
62George W. Jamieson — (1810 1868) was an American actor and lapidary, born in Varick Street, New York. His mother was an American of remarkable talents; his father was an Irishman. At an early age he was apprenticed to a lapidary, and in cutting gems he acquired… …
63Argentium sterling silver — is a modern sterling silver alloy which modifies the traditional sterling silver alloy (92.5% silver + 7.5% copper) by replacing some of the copper with the metalloid germanium.Argentium Silver is the result of research by Peter Johns at the… …
64Hungarian National Museum — The building of the National Museum Contents 1 History 2 The Building …
65Star of Murfreesboro — The Star of Murfreesboro is a 34.25 carat (6.85 g) blue diamond that is eleven sixteenths of an inch (17 mm) in diameter. The diamond was found by John Pollock at the Arkansas Diamond Mine near Murfreesboro, Arkansas. Pollock found the diamond on …
66Bruce Harding — is a gemstone cutter and mechanical design engineer and mathematician. He received the Lapidary Award of the Eastern Federation of the Minerological and Lapidary Society in 1975. That same year, in an an article on “Faceting Limits” in Gems and… …
67Origins and architecture of the Taj Mahal — Mausoleum of the Taj Mahal complex at Agra, India The Taj Mahal represents the finest and most sophisticated example of Mughal architecture. Its origins lie in the moving circumstances of its commission and the culture and history of an Islamic… …
68Diamant bleu de la Couronne —  Pour l’article homonyme, voir Diamants de la Couronne.  Réplique en zircone bleue du diamant bleu de Tavernier, taillée aux États Unis par Scott Sucher sur la base des gravures de Tavernier de 1676 …
69Faux bone — (tm) est le nom de marque d une matière plastique de la famille de PVC. Cette matière, utilisée à l origine pour des emballages de produits corrosifs, est très stable et résistante. Elle a été introduite dans le milieu artistique par l artiste… …
70Le Diamant Bleu de la Couronne — Diamant bleu de la Couronne Le diamant bleu de la Couronne est un grand diamant bleu de Louis XIV. Il est rapporté d’Inde en 1668, retaillé par Pitau en 1673 et volé en 1792. Son modèle en plomb, découvert peu avant Noël 2007, suggère que ce… …
