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Orichalcum or aurichalcum / ˌ ɔːr ɪ ˈ k æ l k ə m / is a metal mentioned in several ancient writings, including the story of Atlantis in the Critias of Plato.Within the dialogue, Critias (460–403 BC) says that orichalcum had been considered second only to gold in value and had been found and mined in many parts of Atlantis in ancient times, but that by Critias's own time, orichalcum ...
Below is a list of European countries and dependencies by area in Europe. [1] As a continent , Europe's total geographical area is about 10 million square kilometres. [ 2 ] Transcontinental countries are ranked according to the size of their European part only, excluding Greece due to the not clearly defined boundaries of its islands between ...
Roman currency for most of Roman history consisted of gold, silver, bronze, orichalcum and copper coinage. [1] From its introduction during the Republic, in the third century BC, through Imperial times, Roman currency saw many changes in form, denomination, and composition. A feature was the inflationary debasement and replacement of coins over ...
The European Environmental Agency (EEA) divides Europe into a total of eleven terrestrial biogeographical regions and seven regional seas. [1] The agency has issued the Digital Map of European Ecological Regions (DMEER), and operates with a total of 70 ecoregions, of which 58 are within the European continent .
Aurichalcite is a carbonate mineral, usually found as a secondary mineral in copper and zinc deposits. Its chemical formula is (Zn,Cu) 5 (CO 3) 2 (OH) 6. The zinc to copper ratio is about 5:4. [3] Copper (Cu 2+) gives aurichalcite its green-blue colors. [5]
Described as "the earliest metal representation of a human body part ever found in Europe", [17] it may have been a ritual object, or mounted on a standard like similar metal hands known from the Iron Age, [18] or possibly a prosthesis. [19] It was found in a grave along with a bronze hair-ring, pin and dagger.
[1] [30] Russulaceae never have a volva, [30] but a partial veil can be found in some tropical species. [ 31 ] [ 32 ] Gills are adnate to decurrent , and the colour of the spore print ranges from white to ochre or orange [ 15 ] [ 33 ] (with the brown-spored Lactarius chromospermus as an exception [ 34 ] ).
The Flora Europaea is a 5-volume encyclopedia of plants, published between 1964 and 1993 by Cambridge University Press.The aim was to describe all the national Floras of Europe in a single, authoritative publication to help readers identify any wild or widely cultivated plant in Europe to the subspecies level.