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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.
Lazurite or lapis lazuli is an opaque mineral, sodium aluminosilicate sulfate with the ideal formula Na[(AlSiO 4)SO 4], having a color from blue to bluish- or greenish-gray, was previously widely known as azure spar. [1]: 14
Lapis lazuli (the pigment ultramarine) was chiefly supplied from Afghanistan during the Middle Ages, whereas azurite was a common mineral in Europe at the time. Sizable deposits were found near Lyons, France. It was mined since the 12th century in Saxony, in the silver mines located there. [17]
Ultramarine is a deep blue color pigment which was originally made by grinding lapis lazuli into a powder. [2] Its lengthy grinding and washing process makes the natural pigment quite valuable—roughly ten times more expensive than the stone it comes from and as expensive as gold.
Lazurite is a pigment (opalescent) and has a bright blue streak (especially as a component of the semiprecious stone lapis lazuli). Many hauynes have a white or pale blue streak and are translucent. Many hauynes have a white or pale blue streak and are translucent.
Seoul (Reuters) -Investigators found bird feathers and blood in both engines of the Jeju Air jet that crashed in South Korea last month, killing 179 people, a person familiar with the probe told ...
The Sar-i Sang lapis lazuli mine probably dates from prehistoric times.It consists of one old disused shaft and two new shafts. This was the main source of lapis lazuli in the ancient world, with lapis from here occurring in such famous archaeological discoveries as the Royal Treasure of Ur and the Tomb of Tutankhamun.
Lawyer Alan Dershowitz says he will sue John F. Kennedy’s only grandson, Jack Schlossberg, after he accused him of killing his wife earlier this month in a rant on Instagram.