عرض مصدر ألوديت

{{بطاقة معدن
| name        = Alluaudite
| image       = Alluaudite 2 Sodium iron manganese phosphate Pleasant Valley Mine near Fourmile Custer County South Dakota 2264Spp.jpg
| alt         = 
| caption     = Alluaudite
| category    = [[معادن الفوسفات]]
| formula     = (Na,Ca)Mn<sup>2+</sup>(Fe<sup>3+</sup>,Mn<sup>2+</sup>,Fe<sup>2+</sup>,Mg)<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub>
| molweight   = 
| strunz      = 8.AC.10
| dana        = 38.2.3.6
| system      = [[نظام بلوري أحادي الميل|Monoclinic]]
| class       = Prismatic (2/m)
| symmetry    = Monoclinic <br/>{{Ill-WD2|id=Q903232|نص=تدوين هيرمان-موغين}}: (2/m) <br/>[[زمرة فراغية]]: ''C''2/c
| unit cell   = a = 11.03&nbsp;[[أنغستروم|Å]], b = 12.53&nbsp;Å <br/>c = 6.4&nbsp;Å; β = 97.57°; Z&nbsp;=&nbsp;4
| color       = Dirty yellow to brownish yellow, grayish green; superficially dull greenish black, brownish black, black, when altered
| habit       = Platy to radiating fibrous, nodular, granular, massive 
| twinning    = Polysynthetic
| cleavage    = Distinct/ good on {100} and {010}, good on {110}
| fracture    = 
| tenacity    = 
| mohs        = 5 - 5.5
| luster      = 
| streak      = Brownish yellow
| diaphaneity = Translucent
| gravity     = 3.4 - 3.5
| density     = 
| polish      = 
| opticalprop = Biaxial (+)
| refractive  = n<sub>α</sub> = 1.782 n<sub>β</sub> = 1.802 n<sub>γ</sub> = 1.835
| birefringence = δ = 0.053
| pleochroism = X = pale olive-green, straw-yellow to greenish yellow; Z = pale olive-greenish to brownish yellow
| 2V          = Measured: 50° to 90°, calculated: 78°
| dispersion  = 
| extinction  = 
| length fast/slow =
| fluorescence = 
| absorption  = 
| melt        = 
| fusibility  = 
| diagnostic  = 
| solubility  = 
| impurities  = 
| alteration  = 
| other       = 
| references  = <ref name=Mindat>[http://www.mindat.org/min-142.html Alluaudite on Mindat.org] {{Webarchive|url=https://web.archive.org/web/20170530173139/https://www.mindat.org/min-142.html |date=30 مايو 2017}}</ref><ref name=HBM>[http://www.handbookofmineralogy.org/pdfs/alluaudite.pdf Alluaudite in the Handbook of Mineralogy] {{Webarchive|url=https://web.archive.org/web/20160303205227/http://www.handbookofmineralogy.org/pdfs/alluaudite.pdf |date=03 مارس 2016}}</ref><ref>[http://www.webmineral.com/data/Alluaudite.shtml#.VTekNNK6fRY Alluaudite data on Webmineral] {{Webarchive|url=https://web.archive.org/web/20170426132253/http://webmineral.com/data/Alluaudite.shtml |date=26 أبريل 2017}}</ref>
}}
'''الألوديت''' (Alluaudite) هو معدن ال[[منغنيز]] و[[الحديد]] و[[الفوسفات]]، متواجد بكثرة، بهذه الصيغة (Na,Ca)Mn<sup>2+</sup>(Fe<sup>3+</sup>,Mn<sup>2+</sup>,Fe<sup>2+</sup>,Mg)<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub>, وأصله ([[ميتاسوماتي]]) (تغير الصخور بعد جريان سائل حار عليها), له علاقة [[بيغماتيت]] الصواني .<ref>[http://www.mindat.org/min-142.html Alluaudite: Mineral information, data and localities<!-- عنوان مولد بالبوت -->] {{Webarchive|url=https://web.archive.org/web/20190423034258/https://www.mindat.org/min-142.html |date=23 أبريل 2019}}</ref><ref>[http://www.handbookofmineralogy.org/pdfs/alluaudite.pdf Handbook of Mineralogy] {{Webarchive|url=https://web.archive.org/web/20160303205227/http://www.handbookofmineralogy.org/pdfs/alluaudite.pdf |date=3 مارس 2016}}</ref>