عرض مصدر فاياليت

{{بطاقة معدن
| name        = Fayalite
| category    = [[معادن السيليكات]]
| image       = Fayalite crystal group - Ochtendung, Eifel, Germany.jpg
| caption     = Fayalite crystals on substrate. Sample collected from Ochtendung, Eifel, Germany
| formula     = Fe<sub>2</sub>SiO<sub>4</sub>
| molweight   = 
| strunz      = 9.AC.05
| system      = [[نظام بلوري معيني قائم]] <br/>Dipyramidal class (mmm)
| symmetry    = Orthorhombic <br/>{{Ill-WD2|id=Q903232|نص=تدوين هيرمان-موغين}}: (2/m 2/m 2/m) <br/>[[زمرة فراغية]]: ''Pbnm''
| unit cell   = a = 4.8211, b = 10.4779 <br/>c = 6.0889&nbsp;[Å]; Z&nbsp;=&nbsp;4
| color       = Greenish yellow, yellow-brown, brown; pale yellow to
amber in thin section
| habit       = Commonly granular, compact, or massive
| twinning    = On [100]; also on [031], as trillings
| cleavage    = {010} moderate, {100} imperfect
| fracture    = Conchoidal
| mohs        = 6.5 – 7.0
| luster      = Vitreous to resinous on fractures
| refractive  = n<sub>α</sub> = 1.731 – 1.824 n<sub>β</sub> = 1.760 – 1.864 n<sub>γ</sub> = 1.773 – 1.875
| opticalprop = Biaxial (-)
| birefringence = δ = 0.042 – 0.051
| pleochroism = Faint
| 2V          = Measured: 74° to 47°, Calculated: 54° to 66°
| streak      = White
| gravity     = 4.392
| density     = 
| melt        = 
| fusibility  = 
| diagnostic  = 
| solubility  = 
| diaphaneity = Transparent
| other       = 
| references  = <ref name=Handbook>http://rruff.geo.arizona.edu/doclib/hom/fayalite.pdf Handbook of Mineralogy {{Webarchive|url=https://web.archive.org/web/20120527173621/http://rruff.geo.arizona.edu/doclib/hom/fayalite.pdf|date=2012-05-27}}</ref><ref name=Mindat>http://www.mindat.org/min-1458.html Mindat.org {{Webarchive|url=https://web.archive.org/web/20211027111544/https://www.mindat.org/min-1458.html|date=2021-10-27}}</ref><ref name=Webmin>[http://www.webmineral.com/data/Fayalite.shtml#.Ukw1NdLXSz4 Fayalite data on Webmineral] {{Webarchive|url=https://web.archive.org/web/20171207140359/http://www.webmineral.com/data/Fayalite.shtml |date=07 ديسمبر 2017}}</ref>
}}

'''فاياليت''' هو معدن غني بالحديد ويحوي على السيليكات.<ref>[http://jacksand.blogvie.com/category/uncategorized/ MINER Database von Jacques Lapaire - Minéraux et étymologie] {{Webarchive|url=https://web.archive.org/web/20160303215247/http://jacksand.blogvie.com/category/uncategorized/ |date=03 مارس 2016}}</ref>