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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]
January 1916, scientific journal: American Mineralogist, first issue. 1916, X-ray powder diffraction: "Peter Debye (1884–1966) – Paul Scherrer (1890–1969) powder method". 1919, founding of the Mineralogical Society of America (MSA). Georg Menzer (1897–1989) solves the first crystal structure of garnet (1925). [22]
Nicholas C. Creede (c. 1843 – July 12, 1897) was an American prospector famous for discovering the Holy Moses Amethyst vein and other mining properties near Creede, Colorado in the late 1880s and early 1890s.
Emerald of Saint Louis, [5] 51.60 carats cut; discovered in Austria, probably Habachtal, resides in the National Museum of Natural History, Paris; Gachalá Emerald [6] Mogul Mughal Emerald, 217.80 carats cut; mined in Colombia and cut in the Mughal empire in Hijri year 1107 (1695–1696), resides in the Museum of Islamic Art, Doha, Qatar [7] [8]
Archaeologists uncovered a 480-year-old gun in Arizona. It’s now considered the oldest firearm ever found within the continental United States.
Gem quality hibonite has been found only in Myanmar. [73] Red Beryl - discovered in 1904. Red beryl or bixbite was discovered in an area near Beaver, Utah in 1904 and named after the American mineralogist Maynard Bixby. Jeremejevite was discovered in 1883 in Russia and named after its discoverer, Pawel Wladimirowich Jeremejew (1830–1899).
This carving on the cave ceiling is 6 feet long and appears to show a human figure wearing Native American regalia. It dates from about 1,000 years ago; nothing like it has been seen before, and ...
The Empress of Uruguay is the world's largest amethyst geode, standing at a height of 3.27 meters. It is open along its length and weighs 2.5 tons in its current state. It was discovered in 2007 in the Artigas department, Uruguay by the Uruguayan mining company Le Stage Minerals. Its estimated value is US $190,000, although it is not for sale.