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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. 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).

  4. Lepidolite - Wikipedia

    en.wikipedia.org/wiki/Lepidolite

    Lepidolite is a lilac-gray or rose-colored member of the mica group of minerals with chemical formula K(Li,Al) 3 (Al,Si,Rb) 4 O 10 (F,OH) 2. [2] [3] It is the most abundant lithium-bearing mineral [4] and is a secondary source of this metal. It is the major source of the alkali metal rubidium.

  5. Party of Young People - Wikipedia

    en.wikipedia.org/wiki/Party_of_Young_People

    The Party of Young People (Romanian: Partidul Oamenilor Tineri; POT, lit. ' I can ' ) is a political party in Romania, founded by MP Anamaria Gavrilă , who had previously left the Alliance for the Union of Romanians (AUR). [ 5 ]

  6. Río de la Plata - Wikipedia

    en.wikipedia.org/wiki/Río_de_la_Plata

    2]: Length: 290 km (180 mi) [3] 4,876 km (3,030 mi) including the Paraná: Basin size: 3,170,000 km 2 (1,220,000 sq mi) [4] 3,182,064 km 2 (1,228,602 sq mi) [5]: Discharge: : • location: Río de la Plata, Atlantic Ocean: • average: (Period 1971-2010) . 27,225 m 3 /s (961,400 cu ft/s) [5] 22,000 m 3 /s (780,000 cu ft/s) [3]. 884 km 3 /a (28,000 m 3 /s) [6]: • minimum: 12,000 m 3 /s ...

  7. Sierra de la Plata - Wikipedia

    en.wikipedia.org/wiki/Sierra_de_la_Plata

    After this, Domingo Martínez de Irala became the expedition's new leader, and he took up the goal of conquering the Sierra de la Plata and the lands of the White King. Irala decided to convert Asunción into the headquarters of the conquest, and ordered the colonists at Buenos Aires to tear down their buildings and move to Asunción.

  8. 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.

  9. Apa Vie - Wikipedia

    en.wikipedia.org/wiki/Apa_Vie

    There is a small percent of tales in which apa moartǎ is a poisonous drink that kills any person who drinks it. [ 2 ] [ 4 ] Examples of the use of apa vie can be found in the fairy tales " Prâslea the Brave and the Golden Apples " and " Greuceanu ."