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Amethyst is also found and mined in South Korea. [19] The large opencast amethyst vein at Maissau, Lower Austria, was historically important, [1] but is no longer included among significant producers. [14] Much fine amethyst comes from Russia, especially near Mursinka in the Ekaterinburg district, where it occurs in drusy cavities in granitic ...
An amethyst stone from South Africa. Amethyste or Amethystos (Ancient Greek: Ἀμέθυστη, romanized: Améthustē, lit. 'non-drunk') is supposedly a nymph in Greek mythology who was turned into a precious stone by the goddess Diana/Artemis in order to avoid a worse fate at the hands of the god Dionysus, thus explaining the origin of the semi-precious stone amethyst.
Amethyst is a form of quartz that ranges from a bright vivid violet to a dark or dull lavender shade. The world's largest deposits of amethysts can be found in Brazil, Mexico, Uruguay, Russia, France, Namibia, and Morocco. Amethyst derives its color from traces of iron in its structure. [37]
The five cardinal gems. Clockwise from top: sapphire, ruby, emerald, amethyst, diamond. Cardinal gems are gemstones which have traditionally been considered precious above all others. The classification of the cardinal gems dates back to antiquity, and was largely determined by ceremonial or religious use as well as rarity. [1]
Samarian Spinel, the world's largest spinel; Menshikov Ruby, the world's second largest spinel set on top of the Great Imperial Crown of Russia; Timur Ruby, believed to be a ruby until 1851, hence its name; Black Prince's Ruby, the famous spinel mounted on the Imperial State Crown of the United Kingdom
Why Diversity Matters Leaders working to create diverse and inclusive workplaces in which women can advance must make the connection between diversity initiatives and their organization’s business goals.1 Effective business cases set the context for diversity and identify organizational challenges that must be addressed in order to create change.
Cats have been brought on ships for various purposes throughout history, the most common one being to catch mice and rats. One such heroic cat was Simon, who famously guarded his soldiers aboard ...
Heat can either improve or spoil gemstone color or clarity. The heating process has been well known to gem miners and cutters for centuries, and in many stone types heating is a common practice. Most citrine is made by heating amethyst, and partial heating with a strong gradient results in "ametrine" – a stone partly amethyst and partly citrine.