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Aplicações. Ver também. Referências. Ligações externas. Safira. Nota: Para outros significados, veja Safira (desambiguação). Safira (do arábico: ياقوت أزرق , safir, "pedra preciosa" [ 1]) é uma variedade da forma monocristalina de óxido de alumínio, (Al 2 O 3 ), um mineral chamado coríndon.
- Al₂O₃
Sapphire is one of the two gem-varieties of corundum, the other being ruby (defined as corundum in a shade of red). Although blue is the best-known sapphire color, they occur in other colors, including gray and black, and also can be colorless. A pinkish orange variety of sapphire is called padparadscha .
- Hexagonal scalenohedral (3m), H-M symbol: (32/m)
Le saphir est une pierre précieuse. C'est une variété gemme du corindon pouvant présenter de multiples couleurs, sauf la couleur rouge (le corindon rouge est uniquement appelé rubis ). On doit à Jacques Louis de Bournon d’avoir montré que le saphir (gemme orientale) et le corindon (spath adamantin) ne font qu’un 4 .
- 04.03.01.01, Oxydes, 4. Oxydes simples, 4.3.1/ Groupe du corindon hématite, 4.3.1.1 Corindon Al₂O₃
- 1317-82-4
- 101,9613 ± 0,0009 uma, Al 52,93 %, O 47,07 %
Saphir ist eine Varietät des Minerals Korund. Dem Saphir zugerechnet werden alle farblosen und buntfarbigen Varietäten mit Ausnahme des roten Rubins. Im engeren Sinne bezieht sich der Begriff heute auf die blauen Varianten, die von Himmelblau bis zu einem ins Schwarze gehenden Dunkelblau reichen und je nach Lichteinfall im Farbton ...
- Al₂O₃
- siehe Korund
- trigonal
Edward Sapir ( Lauenburg, hoje Lębork, Polônia, 26 de janeiro de 1884 — New Haven, 4 de fevereiro de 1939) foi um antropólogo e linguista alemão de origem judaica, que é considerado uma das figuras mais importantes no desenvolvimento da disciplina de linguística nos Estados Unidos. [ 1][ 2] Biografia.
A world leader in care products for leather, textile and other materials. Our brands Saphir Beauté du Cuir and Saphir Médaille d'Or honour a commitment to traditional formulations and quality ingredients. Produced in France since 1920.
Saphir, meaning sapphire in several languages, may refer to: Saphir (band), a German pop group. Saphir (rocket), a French sounding rocket. Saphir (train), a German train. Jacob Saphir (1822–1886), Russian-Jewish ethnographer, writer, and traveller. Moritz Gottlieb Saphir (1795–1858), Austrian-Jewish writer.
