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  2. Opificio delle pietre dure - Wikipedia

    en.wikipedia.org/wiki/Opificio_delle_pietre_dure

    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 ...

  3. Pietra dura - Wikipedia

    en.wikipedia.org/wiki/Pietra_dura

    Altar frontal of Italian opera di commessi, Dubrovnik Cathedral Detail of design with roses over crossed canes, 1882. Pietra dura (Italian: [ˈpjɛːtra ˈduːra]), pietre dure ([ˈpjɛːtre ˈduːre]) or intarsia lapidary [1] (), called parchin kari or parchinkari (Persian: پرچین کاری) in the Indian subcontinent, is a term for the inlay technique of using cut and fitted, highly ...

  4. Dropa stones - Wikipedia

    en.wikipedia.org/wiki/Dropa_stones

    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.

  5. Flinders Petrie - Wikipedia

    en.wikipedia.org/wiki/Flinders_Petrie

    Petrie developed the system of dating layers based on pottery and ceramic findings. [7] Petrie has been denounced for his pro-eugenics views; he was a dedicated believer in the superiority of the Northern peoples over the Latinate and Southern peoples. [8] He has been referred to as the "father of Egyptian archaeology". [9]

  6. Pietra serena - Wikipedia

    en.wikipedia.org/wiki/Pietra_serena

    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.

  7. Peștera cu Oase - Wikipedia

    en.wikipedia.org/wiki/Peștera_cu_Oase

    Peștera cu Oase (Romanian pronunciation: [ˈpeʃtera ku ˈo̯ase], meaning "The Cave with Bones") is a system of 12 karstic galleries and chambers located near the city Anina, in the Caraș-Severin county, southwestern Romania, where some of the oldest European early modern human (EEMH) remains, between 42,000 and 37,000 years old, have been found.

  8. Heliotrope (mineral) - Wikipedia

    en.wikipedia.org/wiki/Heliotrope_(mineral)

    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).

  9. Pietrasanta - Wikipedia

    en.wikipedia.org/wiki/Pietrasanta

    Pietrasanta is a town and comune on the coast of northern Tuscany in Italy, in the province of Lucca.Pietrasanta is part of Versilia, on the last foothills of the Apuan Alps, about 32 kilometres (20 mi) north of Pisa.