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  2. Lapis lazuli - Wikipedia

    en.wikipedia.org/wiki/Lapis_Lazuli

    Originating from the Persian word for the gem, lāžward, [1] lapis lazuli is a rock composed primarily of the minerals lazurite, pyrite and calcite. As early as the 7th millennium BC , lapis lazuli was mined in the Sar-i Sang mines, [ 2 ] in Shortugai , and in other mines in Badakhshan province in modern northeast Afghanistan . [ 3 ]

  3. Azure spar - Wikipedia

    en.wikipedia.org/wiki/Azure_spar

    Haüyne is valued significantly higher than lapis lazuli, but it is rarely found in jewelry quality suitable for cutting. Azurite or copper azure is much less often used as an ornamental stone due to its fragility and chemical instability, but this mineral has been known since ancient times as a pigment for blue tempera paint, mainly in icon ...

  4. Azurite - Wikipedia

    en.wikipedia.org/wiki/Azurite

    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]

  5. Azure (color) - Wikipedia

    en.wikipedia.org/wiki/Azure_(color)

    The color azure ultimately takes its name from the vivid-blue gemstone lapis lazuli, a metamorphic rock. Lapis is the Latin word for "stone" and lāzulī is the genitive form of the Medieval Latin lāzulum, which is taken from the Arabic لازورد lāzaward [laːzwrd] (listen ⓘ), itself from the Persian لاژورد lāžaward, which is ...

  6. Lazulite - Wikipedia

    en.wikipedia.org/wiki/Lazulite

    Lazulite or Azure spar [6]: 14 is a transparent to semi-opaque, blue mineral that is a phosphate of magnesium, iron, and aluminium, with the chemical formula (Mg,Fe 2+)Al 2 (PO 4) 2 (OH) 2. [3] Lazulite forms one endmember of a solid solution series with the darker, iron-rich scorzalite. [3] [5] Lazulite crystallizes in the monoclinic system.

  7. Lazurite - Wikipedia

    en.wikipedia.org/wiki/Lazurite

    Lazurite and hauyne seem to have the same structure and both are sulfate-dominant minerals. [13] 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.

  8. Persian blue - Wikipedia

    en.wikipedia.org/wiki/Persian_blue

    Persian blue is a representation of the color of the mineral lapis lazuli which comes from Persia and Afghanistan. [citation needed] The color azure is also named after the mineral lapis lazuli. The first recorded use of Persian blue as a color name in English was in 1669. [2]

  9. Blue pigments - Wikipedia

    en.wikipedia.org/wiki/Blue_pigments

    The modern English name of the mineral reflects this association, since both azurite and azure are derived via Arabic from the Persian lazhward (لاژورد), an area known for its deposits of another deep-blue stone, lapis. Azurite was often used in the Renaissance and later as a less expensive substitute for ultramarine. Lower layers would ...

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