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Amethyst is a violet variety of quartz.The name comes from the Koine Greek αμέθυστος amethystos from α - a-, "not" and μεθύσκω (Ancient Greek) methysko / μεθώ metho (Modern Greek), "intoxicate", a reference to the belief that the stone protected its owner from drunkenness. [1]
Synthetic diamonds are produced via high pressure, high temperature or chemical vapor deposition (CVD) technology. These diamonds have numerous industrial and commercial uses including cutting tools, thermal conductors and consumer diamond gemstones.
PT Aneka Tambang Tbk, colloquially known as Antam, is an Indonesian mining company. The company primarily produces gold and nickel, and is the largest producer of nickel in Indonesia . Until 2017, Antam was a directly state-owned company , before its ownership was transferred to PT Mineral Industri Indonesia (Persero) or MIND ID, a government ...
Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. A gemstone (also called a fine gem , jewel , precious stone , semiprecious stone , or simply gem ) is a piece of mineral crystal which, when cut or ...
Location of Indonesia. Indonesia is a unitary sovereign state and transcontinental country located mainly in Southeast Asia with some territories in Oceania. Indonesia's economy is the world's 16th largest by nominal GDP and the 8th largest by GDP at PPP, the largest in Southeast Asia, and is considered an emerging market and newly industrialised country.
PT MNC Asia Holding Tbk (IDX: BHIT), better known as MNC Group, is an Indonesian conglomerate company founded in 1989. This company operates in the fields of mineral resources, mass media, and investment.
This table reflects the Forbes Global 2000 list, which ranks the world's 2,000 largest publicly traded companies. "The Global 2000" list is assembled based on factors including revenue, net profit, total assets and market value; each element is assigned a weighted rank in terms of importance when assessing the overall ranking.
Tairus (Russian: Тайрус, a portmanteau of Тайско and Русский ()) is a synthetic gemstone manufacturer. It was formed in 1989 as part of Mikhail Gorbachev's perestroika initiative to establish a joint venture between the Russian Academy of Sciences and Tairus Created Gems Co Ltd. of Bangkok, Thailand.