scheelite
21Шеелит — [scheelite] минерал, вольфрамит кальция CaWO4; иногда содержит примесь Мо молибдошеелит (до 23 % МоO3). Назван в честь шведского химика К. О. Шееле, обнаружившего в 1781 г. в шеелите W раньше, чем в вольфрамите. Шеелит имеет цвет желтоватый,… …
22Powellite — Catégorie VII : sulfates, sélénates tellurates, chromates, molybdates, tungstates[1] Powellite, Brochantite Chuquicamata Chili …
23Scheelit — gelbe Scheelit Oktaeder auf Glimmer Chemische Formel Ca[WO4] Mineralklasse Sulfate, Selenate, Tellurate, Chromate, Molybdate und Wolframate Molybdate und Wolframate 7.GA.05 …
24Wulfénite — Catégorie VII : sulfates, sélénates tellurates, chromates, molybdates, tungstates[1] Wulfénite Maroc Mibladen …
25Diamond simulant — Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976. The high price of gem grade diamonds, as well as significant ethical concerns of… …
26tungsten processing — Introduction preparation of the ore for use in various products. Tungsten exhibits a body centred cubic (bcc) crystal lattice. It has the highest melting point of all metals, 3,410° C (6,170° F), and it has high conductivity for… …
27Ferbérite — Catégorie IV : oxydes et hydroxydes[1] Ferbérite et apatite (violet) Panasquiera Portugal (18x13cm) …
28Tungsten — (pronEng|ˈtʌŋstən), also known as wolfram (IPA|/ˈwʊlfrəm/), is a chemical element that has the symbol W and atomic number 74.A steel gray metal, tungsten is found in several ores, including wolframite and scheelite. It is remarkable for its… …
29Nevada State Route 839 — State Route 839 Nevada Scheelite Mine Road Route information Maintained by NDOT Length …
30Mégabasite — Wolframite Wolframite Catégorie III : oxydes et hydroxydes Wolframite et apatite (violet) Panasquiera Portugal (18x13cm) …
