From the Greek for "carrying down," in allusion to its volcanic origin This mineral was defined as katophorite in the 1978 and 1997 amphibole nomenclatures. The katophorite group minerals was redefined in the 2012 amphibole nomenclature and the Fe 2+ and Al dominant katophorite group mineral is now named ferro-katophorite.
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The Katophorite minerals are sodium-calcium Amphiboles with varying amounts of magnesium (Mg), iron (Fe) and alumiunum (Al). The kinds of Katophorite are known as according to their chemical composition. Examples are: Ferri-Katophorite is called for its iron that is ferric dominance Ferro-Katophorite is known as for its ferrous iron …
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Katophorite occurs as parallel-fibre masses in nepheline syenite at the Miwula Hill close to upper Luangwa Valley, northern Province, Zambia. The occurrence was first described …
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General Ferrikatophorite Information : Chemical Formula: Na2Ca(Fe++,Mg)4Fe+++(Si7Al)O22(OH)2 : Composition: Molecular Weight = 943.33 gm Sodium 4.87 % Na 6.57 % Na 2 O: Calcium 4.25 % Ca 5.94 % CaO: Magnesium 2.58 % Mg 4.27 % MgO: Aluminum 2.86 % Al 5.40 % Al 2 O 3: Iron 23.68 % Fe 22.85 % FeO / …
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Ferro-ferri-katophorite Na(NaCa)(Fe2+ 4 Fe3+)(Si 7 Al)O 22 (OH) 2 Crystal Data: Monoclinic. Point Group: 2/m. Physical Properties: Cleavage: Tenacity: Fracture: Hardness = D(meas.) = D(calc.) = Optical Properties: Color: Streak: Luster: Optical Class: Cell Data: Space Group: C2/m. a = 9.8270(7) b = 18.0300(8) c = 5.316(4) β = 104.626(3)° ...
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Ferro-ferri-katophorite (IMA2016–008), ideally Na(NaCa)(Fe ²⁺ 4 Fe ³⁺ )(Si 7 Al)O 22 (OH) 2, was found as xenocrysts up to 3 cm long and replacement rims around aegirine–augite in ...
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The kataphorite group species with with Mg and Fe 3+ >Al in the C position was named magnesio-ferrikatophorite in the 1978 and 1997 amphibole nomenclatures. The katophorite group minerals was redefined in the 2012 amphibole nomenclature renaming the Mg, Fe 3+ and (OH) dominant member of the group ferri-katophorite. Compare the chemically …
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Katophorite has the ideal formula A Na B (NaCa) C (Mg 4 Al) T (Si 7 Al)O 22 W (OH) 2 (Hawthorne et al., 2012). No published analyses of amphiboles fall in the katophorite compositional field, except that of Harlow and Olds (1987) for an amphibole from near Hpakan in the Jade Mine Tract, Myanmar.
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Katophorite has the ideal formula A Na B (NaCa) C (Mg 4 Al) T (Si 7 Al)O 22 W (OH) 2 (Hawthorne et al., 2012). No published analyses of amphiboles fall in the katophorite compositional field ...
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The katophorite group minerals are sodium-calcium amphiboles defined with A (Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C (Al+Fe 3+ +2Ti) < 1.5 apfu. Ferro-ferri-katophorite is defined with A position: Na dominant C 2+ position: Fe dominant C 3+ position: Fe dominant W position: (OH) dominant
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Katophorite occurs as parallel-fibre masses in nepheline syenite at the Miwula Hill close to upper Luangwa Valley, northern Province, Zambia. The occurrence was first described and katophorite analysed by A.R. Newton (1959). True colour of the amphibole is dark bluish green-grey. It is probable that at least some of this amphibole crystallized ...
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RRUFF - References and PDF downloads - search for: Katophorite American-Mineralogist-Crystal-Structure-Database - search for: Katophorite Mindat - search for: Katophorite Webmineral - search for: Katophorite Handbook-of-Mineralogy - search for: Katophorite RRUFF - Raman, XRD and other mineral data - search for: …
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Katophorite, also a rare species (Oberti et al., 2015a), can be considered an intermediate amphibole composition between richterite and taramite, related by the exchange C Mg 5 + T Si 8 → C (Mg...
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Mineral Data, Mineralatlas Lexikon, Ferro-ferri-katophorite. 2012 IMA Report: Nomenclature of the Amphibole Supergroup: Am. Mineral., 97 (2012), 2031-2048.
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Typically, a hopper is used to hold and feed the rock to the mill. The rock is either gravity fed or a conveyor is used to feed the crusher. Once in the crusher, the material is broken down using a breaker plate and grinding chamber. The reduced rock exits the crusher via a conveyor belt or is discharged into a hopper.
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Katophorite has the ideal formula A Na B (NaCa) C (Mg 4 Al) T (Si 7 Al)O 22W (OH) 2 (Hawthorne et al., 2012). No published analyses of amphiboles fall in the …
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Ferri-fluoro-katophorite is the second species characterised involving the rootname katophorite in the sodium–calcium subgroup of the amphibole supergroup. The mineral and its name were approved ...
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The name magnesio-katophorite is listed in the amphibole nomenclature presented by Leake (1978) and Leake et.al (1997) as a katophorite group end member with Mg and Al as the dominant elements in the C position. Following the redefinition of the katophorite group in the 2012 amphibole nomenclature, the name magnesio-katophorite is …
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PE Katophorite = 8.02 barns/electron U=PE Katophorite x r electron = 26.42 barns/cc. Radioactivity: GRapi = 17.70 (Gamma Ray American Petroleum Institute Units) Concentration of Katophorite per GRapi unit = 5.65 (%) Estimated Radioactivity from Katophorite - barely detectable : Katophorite Classification
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About Ferro-katophorite Hide. Formula: {Na} {CaNa} {Fe2+4Al} [ (AlSi7)O22] (OH)2. The katophorite group minerals are sodium-calcium amphiboles defined with A (Na+K+2Ca) …
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Therefore, the only published composition corresponding to katophorite is the recently approved katophorite from Myanmar (IMA 2013-140; Oberti et al., 2015), which has the unit formula A (Na 0.85 ...
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Ferri-fluoro-katophorite is the second species characterised involving the rootname katophorite in the sodium–calcium subgroup of the amphibole.
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The katophorite group minerals are sodium-calcium amphiboles defined with A (Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C (Al+Fe 3+ +2Ti) < 1.5 apfu. Fluoro-katophorite is defined with A position: Na dominant C 2+ position: Mg dominant C 3+ position: Fe dominant W position: F dominant
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We present the complete characterisation of ferri-fluoro-Na(NaCa)(Mg4Fe3+)(Si7Al)O22F2, katophorite, ideally a new species of amphibole of the sodium–calcium subgroup of the …
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Katophorite: Oberti R, Boiocchi M, Hawthorne F C, Ball N A, Harlow G E (2015) Katophorite from the Jade Mine Tract, Myanmar: mineral description of a rare (grandfathered) endmember of the amphibole supergroup Mineralogical Magazine 79 355-363: 2015: near Hpakan, Jade Mine Tract, Kachin State, Myanmar: 0: 293: 0006116: …
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