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Lapis lazuli (UK: / ˌ l æ p ɪ s ˈ l æ z (j) ʊ l i, ˈ l æ ʒ ʊ-,-ˌ l i /; US: / ˈ l æ z (j) ə l i, ˈ l æ ʒ ə-,-ˌ l i /), or lapis for short, is a deep-blue metamorphic rock used as a semi-precious stone that has been prized since antiquity for its intense color.
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The ancients also referred to lapis-lazuli as sapphire, which is likewise a blue stone, often speckled with shining pyrites giving it the appearance of being sprinkled with gold dust. It is composed of silica, alumina, and alkali and is an opaque substance easily engraved. Debate still continues as to which stone is precisely referred to in the ...
The Greek term for sapphire quite likely was instead used to refer to lapis lazuli. [72] During the Medieval Ages, European lapidaries came to refer to blue corundum crystal by "sapphire", a derivative of the Latin word for blue: sapphirus. [74] The sapphire is the traditional gift for a 45th wedding anniversary. [75]
The term for it in the Egyptian language is ḫsbḏ-ỉrjt (khesbedj irtiu), which referred to artificial lapis lazuli (ḫsbḏ). [5] It was used in antiquity as a blue pigment to color a variety of different media such as stone, wood, plaster, papyrus, and canvas, and in the production of numerous objects, including cylinder seals, beads ...
English: Large lapis lazuli specimen as seen at the National Museum of Natural History 2021 'Objects of Wonder' exhibit. This particular piece weighs over 100kg (about 250lbs). This particular piece weighs over 100kg (about 250lbs).
It was produced from lapis lazuli, a mineral whose major source was the mines of Sar-e-Sang in what is now northeastern Afghanistan. [1] It was transformed into a pigment by the Afghans beginning in about the 5th century, and exported by caravans to India. It was the most expensive blue used by Renaissance artists.
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