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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 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. The difference might be a consequence of the redox state (sulfate to sulfide ratio). [8] [14]
Crystals or gemstones were also used in practice, for their metaphysical properties. Specifically, they used crystals as aids for health and protection. They often would bury a lapis lazuli scarab with their deceased, with the belief that it would protect them in the afterlife. [9]
Lapis Lazuli is the best known and well-documented gemstone at Ur and in Mesopotamia in general. In the royal cemetery lapis lazuli is found as jewelry, plaques and amulets , and as inlays in gaming boards, musical instruments, and ostrich-egg vessels as well as parts of larger sculptural groups such as the "Ram in a Thicket" and as the beard ...
Rare or unusual gemstones, generally understood to include those gemstones which occur so infrequently in gem quality that they are scarcely known except to connoisseurs, include andalusite, axinite, cassiterite, clinohumite, painite and red beryl. [27] Gemstone pricing and value are governed by factors and characteristics in the quality of the ...
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.