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An example of an earplug Totonac figurine wearing prominent earspools.. A plug (sometimes earplug or earspool), in the context of body modification, is a short, cylindrical piece of jewelry commonly worn in larger-gauge body piercings. [1]
Niobium was officially adopted as the name of the element in 1949, but the name columbium remains in current use in metallurgy in the United States. It was not until the early 20th century that niobium was first used commercially. Niobium is an important addition to high-strength low-alloy steels.
The practice of wearing earrings was a tradition for Ainu men and women, [13] but the Government of Meiji Japan forbade Ainu men to wear earrings in the late-19th century. [14] Earrings were also commonplace among nomadic Turkic tribes and Korea. Lavish ear ornaments have remained popular in India from ancient times to the present day.
In modern times, earrings are still considered culturally taboo for men in China—in fact, in 2019, the Chinese video streaming service iQiyi began blurring the ears of male actors wearing earrings. Amulets were common, often with a Chinese symbol or dragon. Dragons, Chinese symbols, and phoenixes were frequently depicted on jewellery designs.
Columbite, also called niobite, niobite-tantalite and columbate, with a general chemical formula of (Fe II,Mn II)Nb 2 O 6, is a black mineral group that is an ore of niobium. It has a submetallic luster, a high density, and is a niobate of iron and manganese. Niobite has many applications in areospace, construction and the medical industry.
Pages in category "Niobium minerals" The following 41 pages are in this category, out of 41 total. This list may not reflect recent changes. A. Achalaite; Aeschynite-(Y)