WebThe name is from 'Sphenisciformes', the order name for penguins. The mineral is formed by reaction of penguin guano and the phyllitic soil of Elephant Island, British Antarctic … WebJan 1, 2024 · Spheniscidite is a new phosphate mineral occurring in a soil profile in an area of nesting penguins on Elephant Island. It is the NH4-dominant analogue of leucophosphite and has the formula (NH4,K ...
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WebMar 21, 2015 · Indeed, spheniscidite, which does incorporate NH 4 +, was identified in most of the profiles, and it is possible that other N-bearing minerals are present below detection limits. However, an important sink of organic nitrogen may be uric acid and guanine that have very low C:N ratios (1.1, 0.85, respectively), and are insoluble in water. WebJul 2, 2024 · Chemical reactions produce a dull brown mineral called spheniscidite. It's unique and reflects the special conditions that exist only in that locality. The name comes from Sphenisciformes - the...
Webspheniscidite A monoclinic-prismatic brown mineral containing aluminum, hydrogen, iron, nitrogen, oxygen, phosphorus, and potassium. References . David Barthelmy (1997–2024), … WebSpheniscidite (NH4,K)(Fe3+,Al)2(PO4)2(OH) • 2H2O c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic. Point Group: 2/m. Rimming soil particles and in fine grained aggregates, in the 75–2000 µm size range. Physical Properties: Hardness = Very soft. D(meas.) = n.d. D(calc.) = [3.08] Magnetic. Optical Properties: Translucent.
WebSpheniscidite has a specific structure that possesses two 8-membered channels wherein the ammonium, NH 4, and ½ of the water molecules reside. The spheniscidite may include from about 35 wt.% to about 30 wt. % iron, about 15 wt.% to about 20 wt.% phosphorous, and about 4.6 wt. % to about 5.0 wt.% ammonium, wherein the use of the term about ... WebSpheniscidite Kerch Peninsula, Crimea, Russia light brown crystals of Spheniscidite dimension area mm. 3,3 x 3,3 photo Germano Fretti collection Luigi Chiappino
WebSpheniscidite (NH4,K)(Fe3+,Al)2(PO4)2(OH) • 2H2O c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic. Point Group: 2/m. Rimming soil particles and in fine …
WebDecember 2003 (2003-12-04), pages 5051-5058, discloses a crystalline spheniscidite wherein the spheniscidite has the formula NH4 Fe2 (PO4)2OH∗2O, a molar ratio of phosphorous to iron of 1/1 and the powder is a pure micro chrystalline spheniscidite. [0008] CHOUDHURY AMITAVA ET AL: "Synthetic iron phosphate mineral, spheniscidite, fly katmaiWebspheniscidae Penguins (order Sphenisciformes , family Spheniscidae ) are a group of aquatic flightless birds. They live almost exclusively in the Southern Hemisphere: only one … fly kazakhWebL'esfeniscidita és un fosfat de fórmula química (NH₄,K) (Fe 3+ ,Al)₂ (PO₄)₂ (OH)·2H₂O. Va ser aprovada com a espècie vàlida per l' Associació Mineralògica Internacional l'any 1977. Cristal·litza en el sistema monoclínic. La seva duresa a l' escala de Mohs es troba entre 1 i 1,5, sent un mineral molt tou. És l'anàleg amb ... fly kbh palmaWebThe synthetic spheniscidite, [NI-I4]+[Fe2(OH)(H20)(PO4)2]-H20, has been synthesized by hydrothermal methods and the structure determined by single crystal methods. Since the synthesis involves kinetically controlled solvent-mediated reactions, there is no apparent correlation between the starting composition and the stoichiometry of the solid ... fly keeperWebMember of: Overite Group. Name: Named in honor of Wilhelm Vierling (1 July 1901, Weiden, Bavaria, Germany – 24 March 1995, Weiden, Bavaria, Germany) a long-time collector of Hagendorf minerals. Type Locality: ⓘ Hagendorf South Pegmatite, Hagendorf, Waidhaus, Neustadt an der Waldnaab District, Upper Palatinate, Bavaria, Germany. fly kebabWebPubChem CID. Not available because this is not a discrete structure. Spheniscidite is a mineral with formula of (N 3- H 4 )Fe 3+2 (PO 4) 2 (OH)·2H 2 O or (NH 4 )Fe 3+2 (PO 4) 2 (OH)·2H 2 O. The corresponding IMF (International Mineralogical Association) number is IMA1977-029. The IMF symbol is Snc. fly kick roWebMay 1, 2024 · The spheniscidite exhibits special three–dimensional open–framework consisted of FeO 6 octahedra and PO 4 tetrahedron. As shown in the basic building unit, … fly kbz