Search results
Results from the WOW.Com Content Network
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] Goa stones were manufactured by Jesuits in the late seventeenth century in Goa because naturally occurring bezoars ...
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 ...
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.
[4] [5] [6] In 1966 the story was republished by Vyacheslav Zaitsev in the Soviet magazine Sputnik . Zaitsev added that several discs had been shipped to Moscow on request of Soviet researchers, who discovered that they contained large amount of cobalt and other metals, that they behaved as electrical conductors , and that they produced a ...
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.
Petrie was born on 3 June 1853 in Charlton, Kent, England, the son of William Petrie (1821–1908) and Anne (née Flinders) (1812–1892). Anne was the daughter of British Captain Matthew Flinders, who led the first circumnavigation of Australia (and after whom Petrie was named). [3]
Starting with January 2009, Piatra Neamț is the host of a short film festival called "Filmul de Piatra" (derived from the name of the city "Piatra" which means stone (rock) and translated as "Stone-film Festival"). The 1st edition took place in the building of Teatrul Tineretului and other locations between 7th and 11 January 2009.
The Pierre de Laitre, at 624 metres (2,047 ft) above sea level, is easily accessible after a climb of 150 metres (490 ft) from the Grandrupt forest road in the Kemberg massif. There is a gazebo on top of the stone with a protective barrier from which there is a good view over the valley and the village of Taintrux.