- spinels
- Смотри Шпинели.
Энциклопедический словарь по металлургии. — М.: Интермет Инжиниринг. Главный редактор Н.П. Лякишев. 2000.
spinels
Смотреть что такое "spinels" в других словарях:
Шпинели — [spinels], шпинелиды группа природных минералов класса сложных оксидов с общей фурмулой AB2O4 или A(A,S)O4, где А Mg, Zn, Mn, Fe2+, Co, Ni; В Al, Fe3+, Cr, Mn, Ti4+, V3+; представляет системы твердых растворов с широко развитым изоморфизмом… … Энциклопедический словарь по металлургии
Spinel — General Category Oxide minerals Spinel group Chemical formula MgAl2O4 … Wikipedia
magnetic ceramics — Introduction oxide materials that exhibit a certain type of permanent magnetization called ferrimagnetism. Commercially prepared magnetic ceramics are used in a variety of permanent magnet, transformer, telecommunications, and information… … Universalium
Ruby — This article is about the mineral. For other uses, see Ruby (disambiguation). Ruby Natural ruby crystals from Winza, Tanzania General Category … Wikipedia
The Royal Mace of Iran — is a jewel encrusted battle mace. It was a favorite of Fathali Shah, who is often shown holding it in his miniature portraits. The mace is encrusted with spinels and diamonds, from end to end. It is 73 cm (2.4 ft) long. The largest diamond weighs … Wikipedia
Empress Crown — The Empress Crown is part of the coronation regalia used by the first and only Shahbanu (Empress) of Iran, Farah Pahlavi. It is part of the Iranian Crown Jewels and is currently on display at the Central Bank of Iran in Tehran.BackgroundFollowing … Wikipedia
spinel — /spi nel , spin l/, n. 1. any of a group of minerals composed principally of oxides of magnesium, aluminum, iron, manganese, chromium, etc., characterized by their hardness and octahedral crystals. 2. a mineral of this group, essentially… … Universalium
Diamond — This article is about the mineral. For the gemstone, see Diamond (gemstone). For other uses, including the shape ◊, see Diamond (disambiguation) … Wikipedia
Otto Wilhelm Hermann von Abich — Born December 11, 1806 … Wikipedia
Kimberlite — is a type of potassic volcanic rock best known for sometimes containing diamonds. It is named after the town of Kimberley in South Africa, where the discovery of an 83.5 carat diamond in 1871 spawned a diamond rush, eventually creating the Big… … Wikipedia
