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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 ]
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 ...
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.
For example, diamonds are made of carbon (C) and rubies of aluminium oxide (Al 2 O 3). Many gems are crystals which are classified by their crystal system such as cubic or trigonal or monoclinic. Another term used is habit, the form the gem is usually found in. [12] For example, diamonds, which have a cubic crystal system, are often found as ...
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 ."
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.
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 ...
In Romanian mythology, Apa Sâmbetei (Romanian pronunciation: [ˈapa ˈsɨmbetej]; lit. saturday's water ) is the name given to the World Ocean , the ocean that was said to encompass the entire earth.