Search results
Results from the WOW.Com Content Network
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.
The name sapphire is derived from the Latin word sapphirus, itself from the Greek word sappheiros (σάπφειρος), which referred to lapis lazuli. [2] It is typically blue, but natural "fancy" sapphires also occur in yellow, purple, orange, and green colors; "parti sapphires" show two or more colors.
This is a list of blue inorganic pigments, both natural and synthetic: [26] Aluminium pigments. Ultramarine (PB29): a synthetic or naturally occurring sulfur-containing silicate mineral— Na 8–10 Al 6 Si 6 O 24 S 2–4 (generalized formula) Persian blue: made by grinding up the mineral Lapis lazuli.
Ultramarine is a deep blue color pigment which was originally made by grinding lapis lazuli into a powder.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.
Lapis lazuli is 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. Lapis lazuli seems more probable as its qualities are better suited for the purposes of engraving (Lam., iv, 7; Ex., xxviii, 17; xxxix, 13).
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 ...
Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.
This is an accepted version of this page This is the latest accepted revision, reviewed on 16 January 2025. Variety of the color blue For other uses, see Shades of Blue (disambiguation). "Shade of Blue" redirects here. For the song by Black Rebel Motorcycle Club, see Shade of Blue (song). For the R&B/funk band, see Shade of Blue (band). Blue Wavelength 440–490 nm Common connotations ...