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The Opificio delle pietre dure, literally meaning "Workshop of semi-precious stones", is a public institute of the Italian Ministry for Cultural Heritage based in Florence. It is a global leader in the field of art restoration and provides teaching as one of two Italian state conservation schools (the other being the Istituto Superiore per la ...
A rough specimen of bloodstone. Heliotropes (from Ancient Greek ἥλιος (hḗlios) 'sun' and τρέπειν (trépein) 'to turn') (also called ematille, Indian bloodstones, or simply bloodstones) are aggregate minerals, and cryptocrystalline mixture of quartz that occurs mostly as jasper or sometimes as chalcedony (translucent).
Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster.
Apa (Hungarian: Apa, Hungarian pronunciation: ) is a commune of 2,575 inhabitants situated in Satu Mare County, Romania. It is composed of three villages : Apa ...
A Goa stone or Lapis de Goa was a man-made bezoar that was considered to have medicinal and talismanic properties. Goa stones were made in Goa , India and exported to apothecaries in Europe from the mid-16th to 18th century. [ 1 ]
Pietra serena was very popular in Italian Renaissance architecture, and because of this the quarries where the stone was found were exploited.Numerous quarries surrounding the Florentine region of Italy have been found both under and above ground, and each quarry was distinct in the variety of pietra serena formed there due to the differing style of rock formation.
Ben Thanh Market is situated in the center of Ho Chi Minh in Bến Thành Ward, District 1.The market is located on an intersection of four busy streets. The main entrance is the Southside on Lê Lợi Boulevard/Quách Thị Trang Square, the Northside on Lê Thánh Tôn, the Eastside on Phan Bội Châu and the Westside on Phan Châu Trinh.
The Dropa [1] stones are purported pseudoarcheological artifacts. They are claimed to be a series of 12,000-year old granite discs with inscribed markings that represent an account of an extraterrestrial crash landing on Earth.