Lodestone - Wikipedia, The Free Encyclopedia
Pieces of lodestone, suspended so they could turn, were the first magnetic compasses and ... Read Article
Chrysoberyl - Wikipedia, The Free Encyclopedia
Alexandrite in sizes over three carats are very rare. Cat's eye really became popular by the end of the 19th century when the Duke of Connaught gave a ring with a cat's eye as an engagement token; Amethyst; Beryl; Carnelian; Chrysoberyl; Diamond; Diopside; Emerald; Garnet; Jade; Jasper ... Read Article
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