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Prasiolite (also known as green quartz, green amethyst or vermarine) is a green variety of quartz. Since 1950, almost all natural prasiolite has come from a small Brazilian mine, [citation needed] but it has also been mined in the Lower Silesia region of Poland. Naturally occurring prasiolite has also been found in the Thunder Bay area of ...
The lapidary arts form the core of the Lizzadro Museum's collections, particularly jade carvings including the Altar of the Green Jade Pagoda by Chang Wen-Ti. [7] However, the museum also displays a selection of uncarved gemstones, fossils, and other minerals, as well as sculptures, mosaics, dioramas, and a miniature castle made of carved stone and gold called "Castle Lizzadro" by William ...
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. [4] [5] As such, it is the only gemstone to have been initially identified from a faceted stone.
The museum opened a new gallery in January 2003 to feature petrified wood. [9] Rudy W. Tschernich was named curator in June 2003, replacing Sharleen Harvey. [ 10 ] In 2004 the Cascadia Meteorite Laboratory at Portland State University loaned the museum 52 meteorites in an exhibit funded by NASA .
An amethyst geode that formed when large crystals grew in open spaces inside the rock. The largest amethyst geode found as of 2007 was the Empress of Uruguay, found in Artigas, Uruguay in 2007. It stands at a height of 3.27 meters, lies open along its length, and weighs 2.5 tons. Amethyst is also found and mined in South Korea. [19]
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 ...
The new exhibits explore a range of topics, including the diversification of mineral species over the course of Earth's history, plate tectonics, and the stories of specific gems. [7] They have adopted newer philosophies in exhibit design, including a focus on storytelling, interactivity, and connecting ideas across disciplines. [7]
The Gallery of Mineralogy and Geology (in French, galerie de Minéralogie et de Géologie) is a part of the French National Museum of Natural History (Muséum national d'histoire naturelle, MNHN). It is situated in the Jardin des plantes ('Garden of the Plants') in Paris near the gare d'Austerlitz train station.