Johannite is a rare uranium sulfate mineral . It crystallizes in the triclinic crystal system with the chemical composition Cu[UO 2 (OH)SO 4 ] 2 ·8H 2 O. It crystallizes in the triclinic system and develops only small prism or thin to thick tabular crystals , usually occurs as flaky or spheroidal aggregates and efflorescent coatings. Its color is emerald-green to apple -green and its streak is pale green.
4-777: (Redirected from Johanniter ) Not to be confused with Johannite . Ioannites , Johannites or Johanniter may refer to: Ioannite sect [ ru ] of Russian Orthodox Church another name for Knights Hospitaller (members of the) Order of Saint John (disambiguation) Order of Saint John (chartered 1888) Order of Saint John (Bailiwick of Brandenburg) Johanniter International Johanniter-Unfall-Hilfe , humanitarian organization for emergency health care St John Ambulance Citizens of Ioannina Johannite Church Johanniter (grapes) [ de ] , Czech grape variety See also [ edit ] Johannine (disambiguation) Topics referred to by
8-400: Is different from Wikidata All article disambiguation pages All disambiguation pages Johannite Johannite is a strong radioactive mineral with a calculated activity of 87,501,143 Bq /g (to the comparison: natural potassium : 31.2 Bq/g). Johannite was first described in 1830 by Wilhelm Karl Ritter von Haidinger . It was named for Archduke John of Austria (1782–1859),
12-580: The founder of the Landesmuseum Joanneum (Styria, Austria). Johannite forms as secondary mineral by oxidation from uraninite as well as different other uranium minerals. Localities include Argentina, Czech Republic, France, Gabon, Germany, Greece, Italy, Switzerland, United Kingdom and the United States. Type locality is the “Elias Mine” in Jáchymov (Czech Republic). Johannite crystallizes in
16-415: The same term [REDACTED] This disambiguation page lists articles associated with the title Ioannites . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Ioannites&oldid=1226794534 " Category : Disambiguation pages Hidden categories: Short description
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