- romanechite
- романешит, BaMn2+Mr4+Oi6(OH)4
English-Russian dictionary of geology. 2011.
romanechite
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Romanèchite — ((Ba,H2O)2(Mn+4,Mn+3)5O10) is the primary constituent of psilomelane, which is a mixture of minerals. Most psilomelane is not pure romanechite, so it is incorrect to consider them synonyms. Romanèchite is a valuable ore of manganese, which is… … Wikipedia
romanechite — ▪ mineral barium and manganese oxide [(Ba, H2O)2(Mn4+, Mn3+)5O10], an important ore mineral of manganese. A secondary mineral formed under surface conditions, it is often a dark gray to black alteration product of manganous carbonate or… … Universalium
romanechite — noun a mixed oxide mineral of manganese and barium which is an ore of manganese … Wiktionary
romanechite — A cave mineral BaMn9O16(OH)4 [11] … Lexicon of Cave and Karst Terminology
Romanèchit — Romanèchite, Fundort: Marquette County, Michigan/USA. Chemische Formel (Ba,H2O)2(Mn+4,Mn+3)5O10 Mineralklasse Oxide 04.DK.10 (nach … Deutsch Wikipedia
Psilomelane — Infobox mineral name = Psilomelane category = boxwidth = boxbgcolor = caption = A native sample of psilomelane formula = The general formula Ba(Mn2+)(Mn4+)8O16(OH)4 or as (Ba,H2O)2Mn5O10 Barium Manganese Oxide Hydroxide molweight = 590.03 gm… … Wikipedia
Oxide minerals — Oxide mineral exhibit at the Museum of Geology in South Dakota The oxide mineral class includes those minerals in which the oxide anion (O2 ) is bonded to one or more metal ions. The hydroxide bearing minerals are typically included in the oxide… … Wikipedia
List of minerals — This is a List of minerals for which there are Wikipedia articles. Mineral variety names and mineraloids are to be listed after the valid minerals for each letter.For a complete listing (about 4,000) of all mineral names: List of minerals… … Wikipedia
Axinite — – Deposit Topotype, France General Category Borosilicates Chemical formula … Wikipedia
Manganese nodule — Polymetallic nodules, also called manganese nodules, are rock concretions on the sea bottom formed of concentric layers of iron and manganese hydroxides around a core. The core may be microscopically small and is sometimes completely transformed… … Wikipedia
Rhodochrosite — from Sweet Home Mine, Alma, Colorado, USA General Category Mineral species … Wikipedia
