Mexican silver

Many people are fooled when they buy Mexican or German silver jewelry, thinking they are purchasing a semiprecious metal. These forms of silver jewelry go under many names, including Mexican silver, German silver, Afghan silver, Austrian silver, Brazilian silver, Nevada silver, Sonara silver, Tyrol silver, Venetian silver, or just the name silver with quotes around it. None of these jewelry items, under these names or under any other names, contain any silver. These metals are alloys of copper, nickel, and zinc. 

Lesser known standards are coin silver, which is 90% silver, 10% copper, and Mexican silver, which is 95% silver. Britannia silver also is more pure than... 

Britannia silver 95.84% silver, up to 4.16% copper Mexican silver 95% silver, 5% copper... 

B In the Yucatan, shop for one-of-a-kind Mexican silver and turquoise jewelry. Make sure it s stamped 925. 

Mexican Money, gold dollar is worth about 96 cents United States coin tho Mexican silver dollar i3 reckoned equal to the United States gold doUar,... 

The Mexican method referred to by Father de Acosta and Baron von Humboldt was the cold amalgamation, or patio, process introduced at Pachuca by Bartolome de Medina about the middle of the sixteenth century. As early as March 4, 1552, the governing princess (Princesa Gobemadora) in Valladolid acknowledged an urgent request for mercury to be used in the exploitation of silver (28). In this process, salt, mercury,... 

The native silver in serpentine in which Vauquelin discovered iodine had been obtained from Joseph Tabary, a dealer in Mexican and South American minerals (137). In an attempt to ascertain the exact locality from which this mineral had been obtained, D.-F. Arago questioned some young Mexican army officers who had been sent by their government to study in Paris. To his surprise, one of them, Captain Yniestra, was able to give the following clear and definite reply ... 

Iodide of Silver is a rare mineral of a pole lemon-yellow color, with sometimes a tint of green. It was discovered by M, Vauquelin in the Mexican mines, but, from its rarity, is of no importance as an ore of silver. It is composed of silver 77 4, iodine 22 6. 

Bromide of Silver was discovered by M. Berthiee in the Mexican minerals, where it has since been found so abundantly in the district of Plataros,near Zacoatocas, that the ores there raised have received the name of plata verde, from tho green color which it imparts to ... 

Fortunately, for our purposes, the silver from Potosi has a characteristically low level of gold impurity which allows it to be differentiated clearly from the Mexican-European silver stock. As shown in Figure 7 (27), silver from this latter stock was used in Spain, Barcelona, and France, before 1570-1580, when the Potosi mine began to be exploited on a large scale and its yields shipped to Spain. 

The bulk of the Mexican ore consists of argentite. The cyanide dissolves the silver sulphide 1... 

Vanadium is a soft silver metal in group 5B of the Periodic Table. It was discovered in Mexican lead ore by Andreas Manuel del Rio in 1801. Because of the red color of its salts, he named it erythronium (the Greek word ery-thro means red ). Upon challenge by H. V. Colett-Desotils, del Rio withdrew his claim. In 1830 the element was rediscovered by Nils Selfstom in iron ore. Since the element is found in compounds of many different col-... 

In 1944, Marker founded together with two Mexican partners a pharmaceutical company, which he called Laboratories Syntex SA Synthesis in Mexico). However, the collaboration was not successful, and Marker left the firm almost a year later to form another company (Botanica-Mex S.A.). When his second attempt to buUd up a steroid business failed as weU, Marker brought in 1949 an abrupt end to his previous scientific career and moved into manufacturing and merchandising Mexican replicas of French silver artworks of the 18th century. 

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