عرض مصدر بيروب

{{بطاقة معدن
| name        = Pyrope
| category    = [[معادن السيليكات]]
| boxwidth    = 300
| boxbgcolor  =
| image       = pyrope.jpg
| imagesize   = 250px
| caption     = A [[حجر كريم|أحجار كريمة]]-quality, [[emerald cut]] pyrope.
| strunz      = 09.AD.25
| formula     = Mg<sub>3</sub>Al<sub>2</sub>(SiO<sub>4</sub>)<sub>3</sub>
| molweight   = 
| color       = Red. Some varieties are very dark, almost black, while others can take tones of purple. Some [[كروم]]-rich pyropes are [[تلون حراري]], becoming green when heated<ref>[http://minerals.gps.caltech.edu/mineralogy/undergrad/garnet_2001/garnet.html Thermochromic Cr-rich Pyrope Garnets] {{Webarchive|url=https://web.archive.org/web/20170403233917/http://minerals.gps.caltech.edu/mineralogy/undergrad/garnet_2001/garnet.html |date=03 أبريل 2017}}</ref>
| habit       = [[Euhedral|Euhedra]] typically display {{Ill-WD2|id=Q1132285|نص=ذو إثنا عشر وجهًا معينيًا}} form, but [[Trapezohedron|trapezohedra]] are not uncommon, and hexoctahedra are seen in some rare samples. Massive and granular forms also occur.
| system      = [[نظام بلوري مكعب]]
| twinning    = 
| cleavage    = None
| fracture    = [[Conchoidal fracture|Conchoidal]]
| mohs        = 7 - 7.5
| luster      = greasy to vitreous <ref name="GRG">(Gia), Gemological. Gem Reference Guide. City: Gemological Institute of America (GIA), 1988. {{ردمك|0-87311-019-6}}</ref>
| polish      = vitreous<ref name="GRG" />
| refractive  = 1.74 normal, but ranges from 1.714 to over 1.742 <ref name="GRG" />
| opticalprop = Single refractive, often anomalous double refractive <ref name="GRG" />
| birefringence = [[توحد الخواص]]، appears black in cross-polarized light
| dispersion  = 
| pleochroism = none
| fluorescence= inert
| absorption  = broad band at 564nm with cutoff at 440 to 445nm. Fine gem quality pyropes may show [[كروم]] lines in the red end of the spectrum
| streak      = White
| gravity     = 3.78 (+.09 -.16) <ref name="GRG" />
| density     = 
| melt        = 
| fusibility  = 
| diagnostic  = 
| solubility  = Insoluble in water, weakly soluble in [[حمض الهيدروفلوريك]]
| diaphaneity = 
| other       = 
| prop1       = Mineral association | prop1text = [[أوليفين (معدن)|أوليفين]]، [[بيروكسين]]، [[الهورنبلند]]، [[بيوتايت]]، [[ألماس]]
}}

'''البيروب'''<ref>قاموس المورد، البعلبكي؛ بيروت، لبنان.</ref> هو نوع من [[العقيق (توضيح)|العقيق]] الأحمر قاني اللون.