Lapis lazuli
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Lapis lazuli is a deep-blue metamorphic rock used as a semi-precious stone that has been prized since antiquity for its intense color. Its name originates from the Persian word for the gem, lāžward, a
Lapis lazuli in its natural state, with pyrite inclusions (specimen from Afghanistan)
Lapis lazuli seen through a microscope (x240 magnification)
Crystals of lazurite (the main mineral in lapis lazuli) from the Sar-i Sang Mining District in Afghanistan
A polished block of lapis lazuli
Gemstone
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A gemstone is a piece of mineral crystal which, when cut or polished, is used to make jewelry or other adornments. Certain rocks and occasionally organic materials that are not minerals may also be us
Lapis lazuli
…Lapis lazuli (UK: ; US: ) is a deep-blue metamorphic rock used as a semi-precious stone that has been prized since antiquity for its intense color. Its name originates from the Persian word for the gem, lāžward, and serves as the root for…
A collection of gemstone pebbles made by tumbling the rough stones, except the ruby and tourmaline, with abrasive grit inside a rotating barrel. The largest pebble here is 40 mm (1.6 in) long.
Spanish emerald and gold pendant at Victoria and Albert Museum
Enamelled gold, amethyst, and pearl pendant, about 1880, Pasquale Novissimo (1844–1914), V&A Museum number M.36-1928
A diamond cutter in Amsterdam