Gem. The Definitive Visual Guide by DK, Aja Raden

By DK, Aja Raden

A stunning visible consultant to invaluable and semiprecious stones, natural gemstones, and helpful metals that showcases attractive, specifically commissioned photos in addition to technological know-how, common historical past, mythology, and actual tales of event and discovery.
From diamonds and sapphires to emeralds and obsidian, Gem profiles the entire key gems and different helpful fabrics. Its attractive photographs convey the jewels of their diversified cuts, shades, and makes use of. See the beautiful jewellery items of royalty all over the world, high-society ladies, and local American traditions. stopover at the Russian Amber Room, learn the main points of a Faberg? egg, and discover what features are wanted for a record-breaking gem.

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Antique pansy brooch | Made in France, this colorful vintage brooch is made from silver with gold, amethyst, diamonds, and enamel. ” To them it was worthless, a distraction in their search for gold. Today, however, it is one of the most precious metals on Earth, both due to its scarcity and its properties as a catalyst, speeding up chemical reactions while remaining inactive itself. In addition to its use in fine jewelry, it is a vital component in converting crude oil into petroleum, and also plays a role in reducing pollution from cars as a form of filter (see box below).

Eternity ring | Jewelry company De Beers invented the idea of the diamond eternity ring in the 1960s—the platinum version is the most valuable of their range. Traces of platinum from around 1200 BCE have been found in ancient Egyptian tombs PLATINUM 045 Double bands Solid platinum bracing Channel-set diamonds Organic lines Solid necklace | Designed in the London workshop of Leo De Vroomen, this platinum necklace is inspired by the organic lines of the Art-Nouveau movement. 9-carat diamond Knot ring | This 1960s diamond and platinum ring with a knot-shaped setting is designed more for show than wearability, with a complex design and large center stone.

Was crowned Holy Roman of Charlemagne Also called the Imperial Emperor by the grateful pope. Crown, or Crown of the Holy Roman The tradition of imperial rule continued until Empire, it is named in honor of the first 1806, when the last Holy Roman Emperor, Holy Roman Emperor, Charlemagne I Franz II, dismantled the empire after military (Charles the Great), king of the Germanic defeat by Napoleon. 747–814 CE). Although marched on Franz’s base of Nuremberg, Franz moved the crown to Vienna for safekeeping.

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