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Pyrope

Big Photo

Governador Valadares, Doce valley, Minas Gerais, Southeast Region, Brazil
© 2003 John H. Betts

Show Pyrope Photos (20)
Formula:
Mg
 
3
Al
 
2
[SiO
 
4
]
 
3
System:IsometricColour:Blood red, orange red, ...
Lustre:VitreousHardness:7½
Name:From the Greek, pyropos, "fiery-eyed" in allusion to the red hue.


Garnet Group. Almandine-Pyrope Series, Knorringite-Pyrope Series, Pyrope-Grossular Series.

Occurs in ultra basic igneous rocks.

Classification of Pyrope

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/A.08-10
Nickel-Strunz 10th (pending) edition ID:9.AD.25

9 : SILICATES (Germanates)
A : Nesosilicates
D : Nesosilicates without additional anions; cations in [6] and/or greater coordination
Dana 8th edition ID:51.4.3a.1

51 : NESOSILICATES Insular SiO4 Groups Only
4 : Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Hey's CIM Ref.:16.7.1

16 : Silicates Containing Aluminum and other Metals
7 : Aluminosilicates of Mg
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Type Occurrence of Pyrope

Type Locality:Czech Republic
Year of Discovery:1803

Physical Properties of Pyrope

Lustre:Vitreous
Colour:Blood red, orange red, purple red, pink, or black red
Streak:White
Hardness (Mohs):7½

Crystallography of Pyrope

Crystal System:Isometric
Cell Parameters:a = 11.45Å
Unit Cell Volume:V 1,501.12 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Pyrope

Type:Isotropic

Chemical Properties of Pyrope

Formula:
Mg
 
3
Al
 
2
[SiO
 
4
]
 
3
Essential elements:Al, Mg, O, Si
All elements listed in formula:Al, Mg, O, Si
Common Impurities:Fe,Mn,Ca

Relationship of Pyrope to other Species

Series:Forms a series with Almandine (see here)
Forms a series with Knorringite (see here)
Forms a series with Grossular (see here)
Member of:Garnet Group
Related Minerals - Nickel-Strunz Grouping):
9.AD.05Larnite
Ca
 
2
[SiO
 
4
]
9.AD.05Calcio-Olivine
Ca
 
2
[SiO
 
4
]
9.AD.15Merwinite
Ca
 
3
Mg[SiO
 
4
]
 
2
9.AD.20Bredigite
Ca
 
7
Mg[SiO
 
4
]
 
4
9.AD.25Andradite
Ca
 
3
Fe
3+
2
[SiO
 
4
]
 
3
9.AD.25Almandine
Fe
2+
3
Al
 
2
[SiO
 
4
]
 
3
9.AD.25Calderite
(Mn
2+
 
,Ca)
 
3
(Fe
3+
 
,Al)
 
2
[SiO
 
4
]
 
3
9.AD.25Goldmanite
Ca
 
3
(V
3+
 
,Al,Fe
3+
 
)
 
2
[SiO
 
4
]
 
3
9.AD.25Grossular
Ca
 
3
Al
 
2
[SiO
 
4
]
 
3
9.AD.25Henritermierite
Ca
 
3
(Mn
3+
 
,Al)
 
2
[(OH)
 
4
|(SiO
 
4
)
 
2
]
9.AD.25Hibschite
Ca
 
3
Al
 
2
[(OH)
 
6-1
|(SiO
 
4
)
 
1.5-2.5
]
9.AD.25Hydroandradite
9.AD.25Katoite
Ca
 
3
Al
 
2
[(OH)
 
8-6
|(SiO
 
4
)
 
1-1.5
]
9.AD.25Kimzeyite
Ca
 
3
(Zr,Ti)
 
2
[(Si,Al,Fe
3+
 
)O
 
4
]
 
3
9.AD.25Knorringite
Mg
 
3
Cr
 
2
[SiO
 
4
]
 
3
9.AD.25Majorite
Mg
 
3
(Fe
2+
 
,Si,Al)
 
2
[SiO
 
4
]
 
3
9.AD.25Morimotoite
Ca
 
3
(Ti,Fe
2+
 
,Fe
3+
 
)
 
2
[(Si,Fe
3+
 
)O
 
4
]
 
3
 (?)
9.AD.25Schorlomite
Ca
 
3
(Ti,Fe
3+
 
)
 
2
[(Si,Fe
3+
 
,Fe
2+
 
)O
 
4
]
 
3
9.AD.25Spessartine
Mn
2+
3
Al
 
2
[SiO
 
4
]
 
3
9.AD.25Uvarovite
Ca
 
3
Cr
 
2
[SiO
 
4
]
 
3
9.AD.25Wadalite
Ca
 
6
(Al,Mg)
 
4
[Cl
 
3
|O
 
4
|{(Si,Al,Fe
3+
 
)O
 
4
}
 
3
]
9.AD.25Holtstamite
Ca
 
3
(Al,Mn
3+
 
)
 
2
(SiO
 
4
)
 
2
(OH)
 
4
9.AD.30Coffinite
(U,Th)[(OH)
 
4x
|(SiO
 
4
)
 
1-x
]
9.AD.30Hafnon
(Hf,Zr)[SiO
 
4
]
9.AD.30Thorite
(Th,U)[SiO
 
4
]
9.AD.30Thorogummite
(Th,U)[(OH)
 
4x
|(SiO
 
4
)
 
1-x
]
9.AD.30Zircon
Zr[SiO
 
4
]
9.AD.35Huttonite
Th[SiO
 
4
]
9.AD.35Tombarthite-(Y)
Y
 
4
[HSiO
 
4
]
 
3
9.AD.40Eulytine
Bi
 
4
[SiO
 
4
]
 
3
9.AD.45Reidite
Zr[SiO
 
4
]
Related Minerals - Hey's Index Grouping:
16.7.2Sapphirine
(Mg,Fe)
 
4-x
Al
 
4+x
[Al
 
4+x
Si
 
2-x
O
 
18
]O
 
2
16.7.3Sapphirine-1A
(Mg,Al,Fe
2+
 
)
 
8
[(Al,Si,Fe
3+
 
)
 
6
O
 
18
]O
 
2
16.7.4Magnesiochloritoid
MgAl
 
2
[O|(OH)
 
2
|SiO
 
4
]
16.7.5Kulkeite
Mg
 
8
Al(AlSi
 
7
)O
 
20
(OH)
 
10
16.7.6Palygorskite
(Mg,Al)
 
5
(Si,Al)
 
8
O
 
20
(OH)
 
2
·8H
 
2
O
16.7.7Saponite
Ca
 
0.25
(Mg,Fe)
 
3
(Si,Al)
 
4
O
 
10
(OH)
 
2
·nH
 
2
O
16.7.8Aliettite
Ca
 
0.2
Mg
 
6
(Si,Al)
 
8
O
 
20
(OH)
 
4
·4H
 
2
O
16.7.9Montmorillonite
(Na,Ca)
 
0.33
(Al,Mg)
 
2
Si
 
4
O
 
10
(OH)
 
2
·nH
 
2
O
16.7.10Baumite
(Mg,Al,Mn,Zn,Fe)
 
3
(Si,Al)
 
2
O
 
5
(OH)
 
4

Other Names for Pyrope

Synonyms:
Bohemian GarnetElie RubyGreenlandite (of Klaproth)PiropPyrope Garnet
Vogesite
German names:
Vogesit
Russian names:
Пироп
Spanish names:
Vogesita
Varieties:
RhodoliteTitanian Pyrope

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Pyrope

Reference List:American Mineralogist (1971): 56: 791.

Kolesnik, Y.N., Nogteva, V.V., and Paukov, I.Y. (1977) The specific heat of pyrope at 13 to 300 K and the thermodynamic parameters of some natural varieties of garnet. Geochemistry International 1977: 126-133.

Richet, P. and Bottinga, Y. (1984b) Anorthite, andesine, wollastonite, diopside, cordierite, and pyrope thermodynamics of melting, glass transitions, and properties of the amorphous phases. Earth and Planetary Science Letters: 67: 415-432.

Rossman, G.R., Rauch, F., Livi, R., Tombrello, T.A., Shi, C.R., and Zhoi, Z.Y. (1988) Nuclear reaction analysis of hydrogen in almandine, pyrope and spessartine garnets. Neues Jahrbuch für Mineralogie Monatshefte: 4: 172-178.

Hofmeister, A.M. and Chopelas, A. (1991) Thermodynamic properties of pyrope and grossular from vibrational spectroscopy. American Mineralogist: 76: 880-891.

American Mineralogist (1992): 77: 512-521.

Pavese, A., Artioli, G., and Moze, O. (1998) Inelastic neutron scattering from pyrope powder: experimental data and theoretical calculations. European Journal of Mineralogy: 1: 59-70.

Wang, L., E.J. Essene, & Y. Zhang (1999a), Mineral inclusions in pyrope crystals from Garnet Ridge, Arizona, USA; implications for processes in the upper mantle: Contributions to Mineralogy and Petrology: 135: 164-178.

Gwanmesia, G.D., J. Liu, G. Chen, S. Kesson, S.M. Rigden, & R.C. Liebermann (2000), Elasticity of the pyrope (Mg3Al2Si3O12) - majorite (MgSiO3) garnets solid solution: Physics and Chemistry of Minerals: 27: 445-452.

Kolesov, B.A. and Geiger, C.A. (2000) Low-temperature single-crystal Raman spectrum of pyrope. Physics and Chemistry of Minerals: 27: 645-649.

Wang, L., Essene, E.J., and Zhang, Y. (2000) Direct observation of immiscibility in pyrope-almandine-grossular garnet. American Mineralogist: 85: 41-46.

Li, L., Hongbo Long, Paul Raterron, & Dnald Weidner (2006), Plastic flow of pyrope at mantle pressure and temperature: American Mineralogist: 91: 517-525.

Internet Links for Pyrope

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Pyrope in the Natural History Museum (London) online catalogue
  • Pyrope details from Handbook of Mineralogy (PDF)
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    Localities for Pyrope

    Hide Locality List
    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • New South Wales
      • Yungnulgra Co.
        • White Cliffs
    		Eur. J. Mineral. , 1991, 3, pp. 293-322.
    • Queensland
    • South Australia
      • Flinders Ranges
        • South Flinders Ranges
          • Carrieton
    		www.flindersdiamonds.com / reports
      • Mt Lofty Ranges
        • North Mt Lofty Ranges
          • Pandappa
    		Reference: Keeling J. et al.MESA Journal 39, 30-33, Oct 2005
    • Western Australia
      • Kennedy Range
    		WAMEX Database 2000
    The Kimberlites and Lamproites of Western Australia, 1986.
    Austria
     
    • Lower Austria
      • Dunkelstein forest
        • Aggsbach Dorf
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
        • Meidling im Tal
    		Eur. J. Mineral. , 1991, 3, pp. 323-342.
      • St Pölten
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
      • Waldviertel
        • Horn
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
        • Klein-Pöchlarn
    		Martin Slama (2006)
        • Krems an der Donau
          • Dürnstein
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
        • Neupölla
    		Eur. J. Mineral. , 1991, 3, pp. 323-342.
        • Nöchling
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Brazil
     
    • Southeast Region
      • Minas Gerais
        • Bagagem River (Rio Bagagem)
        • Doce valley
    Chris D. Parkinson et al. , " Ultrahigh-pressure pyrope-kyanite granulites and associated eclogites in Neoproterozoic nappes of southeast Brazil", 2001, Universidade do Estado do Rio de Janeiro, http://akmotoki.tripod.com/2001/Waseda/Cdp.html
    Chris D. Parkinson et al. , " Ultrahigh-pressure pyrope-kyanite granulites and associated eclogites in Neoproterozoic nappes of southeast Brazil", 2001, Universidade do Estado do Rio de Janeiro, http://akmotoki.tripod.com/2001/Waseda/Cdp.html
    Burma (Myanmar)
     
    • Mandalay Division
      • Sagaing District
    		http://www.ruby-sapphire.com/r-s-bk-burma2.htm
    Canada
     
    • Northwest Territories
      • Camsell Lake
    		http://aaa.wustl.edu/Work/pdf_files/diamonds2.pdf
      • Contwoyto Lake
    		Journal of Petrology 40:79-104
    • Ontario
      • Timiskaming District
        • Gauthier Township
          • Kirkland Lake area
            • Dobie
    • Québec
      • Ungava Bay
    • Saskatchewan
      • Athabasca Basin
        • Honsvall Lake
    		Eur. J. Mineral. , 1995, 7, pp. 1251-1272.
    China
     
    • Anhui Province
      • Anqing Prefecture
        • Qianshan Co.
    		The Island Arc, April 1998, V 7, N 1-2, pp. 135-141.
        • Yuexi Co.
          • Bixiling
    		J. Appl. Cryst. (2001). 34, 442–453
      • Lu'an Prefecture
        • Shou Co.
    		Am. Min. , V 90, pp. 801-813, 2005 / Journal of Petrology, June 2004, V 45, N° 6, pp. 1125-1145.
    • Fujian Province
      • Sanming Prefecture
        • Mingxi Co.
          • Gaiyang
    		Qiu Zhili, Wu Fuyuan, Yu Qingyuan, Xie Liewen, and Yang Shufeng (2005): Chinese Science Bulletin 50(22), 2602-2611.
    • Hainan Province (Hainan Island)
      • Ding'an Co.
        • Penglai
    		Hausel, W.D., and Sutherland, W.M.: Gemstones of the World, Wyoming State Geological Survey.
    • Hubei Province
      • Suizhou Prefecture
        • Zengdu District
          • Dayanpo
    		Lapis 29(2), 42 (2004)
    • Jiangsu Province
      • Lianyungang Prefecture
        • Donghai Co.
    		Am. Min. , V 88, pp. 180-188, 2003.
      • Suzhou Prefecture
        • Suzhou City
    		Min. Mag. , June 2004, V. 68, N° 3, pp. 443-453.
    • Liaoning Province (Manchuria; Dongbei Region)
      • Dalian Prefecture
        • Wafangdian Co.
          • Fuxian Kimberlite field
    		http://www.es.mq.edu.au/GEMOC/Abstrfull98/Zhang981.htm
    • Qinghai (Chinghai) Province
      • Haixi Autonomous Prefecture
        • North Qaidam UHP Terrane
    		Shuguang Song, Lifei Zhang, Yaoling Niu, Li Su, Ping Jian, Dunyi Liu (2005): Earth and Planetary Science Letters 234, 99-118.
    Zhang, G., Zhang, L., Song, S., Niu, Y., and Wang, Q. (2006): Eos Trans. AGU, 87(36), West. Pac. Geophys. Meet. Suppl., Abstract V32A-03.
    • Shandong Province
      • Jiaodong Gold Province
        • Weihai Prefecture
          • Rongcheng Co.
    		Science, Vol. 278, 24 Oct. 1997, pp. 701-707.
      • Linyi Prefecture
        • Tancheng Co.
    		http://www.chinamining.org/Facts/2006-10-16/1160979523d1588.html
        • Yimeng Mts (Yimeng Shan)
          • Mengyin Co.
            • Mengyin Kimberlite field
              • Changma Kimberlite belt
                • Wangcun deposit
    		Dong Zhenxin (1998): Chinese Journal of Geochemistry 17(1), 29-43.
      • Rizhao Prefecture
        • Rizhao City
    		http://dunite.mr.nsysu.edu.tw/m02%20Liou-modified.doc
    • Xinjiang (Xinjiang-Uygur) Autonomous Region
      • Bayin'gholin (Bayingolin; Bayinguoleng) Autonomous Prefecture
        • Qiemo (Qerqen; Cherchen) Co.
          • Jianggalesayi area
    		Zhang, J.X. et al. (2001): Lithos 56, 187-206.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
        • Kutná Hora (Kuttenberg)
    		Fišera, M., Paděra, K.: Pyrope from Karlov at Kutná Hora (Czechoslovakia). Acta Universitatis Carolinae – Geologica, 1977, vol. 21, nos. 3-4, s. 193-198.
      • Hradec Králové Region
        • Nová Paka (Neupaka)
    		Moravec, B.: Zajímavé nerosty z granátových náplavů v Podkrkonoší. Minerál, 2002, roč. 10 č. 4, s. 262-268.
      • Liberec Region
        • Jizerské Mts (Iser Mts)
    		Kotrlý, M., Malíková, P., Holub F. X.: Malá Jizerská louka, klasické naleziště drahokamové asociace. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1997, roč. 4-5, s. 25-40. and Kotrlý, M., Malíková, P.: Klasická lokalita Malá Jizerská louka. Minerál, 2002, roč. 10, č. 4, s. 251 - 262.
      • South Bohemia Region
        • České Budějovice (Budweis)
    		Čech, V., Koutek, J.: Geologické a genetické poměry ložisek železné a niklové rudy u Křemže v jižních Čechách. Sborník St. geol. úst. ČSR, 1946, sv. 13,
        • Písek
    		J. Kotkova, S.L. Hartley, M. Fisera, Eur J. Mineral., 1997, Vol. 9, N. 5, pp. 1017-1033
      • Ústí Region
        • Bílina (Bilin)
    		Duda, Rejl, Slivka: "Mineralien", 1991
        • Třebenice
    		Duda, Rejl, Slivka: "Mineralien", 1991
    Democratic Republic of Congo (Zaïre)
     
    • Kasaï (Kasaï-Occidental)
    		Edwards, M.G. (1917) The American Mineralogist, 2, #7, 88-89.
    Finland
     
    • Oulun (Oulu) Lääni
    		No reference listed
    France
     
    • Auvergne
      • Haute-Loire
        • Allègre
          • Fix-Saint-Geneys
            • Vernassal
    		F.H. Forestier : "Les Péridotites Serpentinisées en France, Groupe I, Fascicule IV, Bassin du Haut Allier", BRGM, 1964
    • Limousin
      • Haute-Vienne
        • Bessines-sur-Gartempe
    		http://perso.wanadoo.fr/jeldemine/listes%20mineraux.html
    D. Coffrant, Bull. Soc. Fr. Minéral. Cristallogr. , 1974, 97, pp. 70-78.
    • Provence-Alpes-Côte d'Azur
      • Hautes-Alpes
        • Guillestre
          • Château Queyras
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Todtmoos
          • Mättle
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    • Lower Saxony
      • Harz Mts
        • Bad Harzburg
    		No reference listed
    • Rhineland-Palatinate
      • Eifel Mts
        • Daun
          • Brück-Dreis
    		Frechen, J., Kristallisation, Mineralbestand, Mineralchemismus und Förderfolge der Mafitite vom Dreiser Weiher in der Eifel, N. Jb. Min., Mh., 205-225, 1963
        • Niederzissen
          • Glees
    		Brauns, R., (1922): Die Mineralien der Niederrheinischen Vulkangebiete, Schweizerbart, Stuttgart
    • Saxony
      • Erzgebirge
        • Olbernhau
          • Zöblitz
    		H. Vollstädt, R. Baumgärtel: "Einheimische Edelsteine", 2nd. ed., Steinkopff (Dresden), 1977
      • Mittweida
        • Greifendorf
    		H. Vollstädt, R. Baumgärtel: "Einheimische Edelsteine", 2nd. ed., Steinkopff (Dresden), 1977
    • Schleswig-Holstein
      • Kiel
    		A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
    Hungary
     
    • Fejér Co.
      • Velencei Mts.
        • Sukoró
    • Nógrád Co.
      • Börzsöny Mts.
        • Diósjenő
    India
     
    www.mpgovt.nic.in/mineralresources/
    Italy
     
    • Latium
      • Viterbo Province
        • Vico Lake
    		[MinRec 23:434]
    • Lombardy
      • Sondrio Province
        • Novate Mezzola
          • Codera Valley
    		Ghizzoni, S. & Mazzoleni, G. (2005): Itinerari mineralogici in val Codera. Geologia Insubrica, Ed., Milano, 316 pp.
    Ghizzoni, S. & Mazzoleni, G. (2005): Itinerari mineralogici in val Codera. Geologia Insubrica, Ed., Milano, 316 pp.
    • Piedmont
      • Cuneo Province
    		[MinRec 27:303]
          • Varaita Valley
    		European Journal of Mineralogy (2003), 15, 167-176
      • Torino Province
        • Sesia-Lanzo zone
          • Lanzo Valley
            • Lanzo Massif
              • Balangero - Corio area
    		Prete, R. (1995): L'amiantifera di S. Vittore, Balangero, Torino. Rivista Mineralogica Italiana, 4/1995, 313-333.
      • Verbano-Cusio-Ossola Province
        • Ossola Valley
          • Antrona Valley
            • Montescheno
    		Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
    • Sardinia
      • Nuoro Province
        • Orani
    		Conti-Vecchi, G., Stara, P. (1991): Minerali della Sardegna. Edizioni Della Torre, 275 pp.
    Conti - Vecchi, G., Stara, P., (1991) :Minerali della Sardegna.Della Torre editore.Cagliari, 276 pp.
      • Olbia-Tempio Pausania Province
        • Olbia
    		Gamboni, A., Gamboni, T. (2006): Gallura, tesori nel granito, i minerali delle pegmatiti granitiche. Webber Editore, Sassari, 190 pp.
    • Trentino-Alto Adige
      • Bolzano Province (South Tyrol)
        • Passiria Valley (Passeier Valley)
    		Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp.
        • Ultimo Valley (Ulten Valley)
    		Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp.
    Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp.
    Tumiati, S., Carbonin, S., Mair, V., & Russo, U. (2006). Dissakisite-(La). Nuova specie dalla Val d'Ultimo, Alto Adige. Rivista Mineralogica Italiana, 30(4), 244-247.
    Japan
     
    • Hokkaido Island
      • Hidaka Province
        • Samani-gun
          • Samani-cho
    		E. Takazawa et al. , Journal of Petrology, V 40, N 12, December 1999, pp. 1827-1851.
    • Shikoku Island
      • Ehime Prefecture
    		Masutomi Museum specimen, Kyoto
    Kazakhstan
     
    • Kökshetaü Oblysy (Kokshatau [Kokchetav] Oblast')
      • Kokchetav Massif
    		Geology : Online Forum / Geology, Vol. 30, Issue 10, pp. 947-950, Oct. 2002.
    Kenya
     
    • Rift Valley Province
      • Turkana District
        • Lodwar
    		[var: Rhodolite] http://www.cigem.ca/353.html
    Korea
     
    Sadanaga & Bunno (1973)
    Lesotho
     
    • Butha-Buthe District
    Madagascar
     
    • Tuléar (Toliara) Province
      • Southwestern Region
        • Bekily Department
          • Ambahita
    		K. & Bernhardt, H.-J. (2000): Farbwechselnde Granate aus Madagascar. LAPIS 26 (6): 46-48
    Mauritania
     
    • Reguibat Shield
      • Tenoumer Region
    		http://www.rexmining.be/rdmc/Pressroom/1999/1999_06_29_E.htm; Rex Diamond Mining Corp. Investors Brief; .
      • Touajil Region
    		Investors Brief, Rex Diamond Mining Corp. Ltd.
    Mozambique
     
    • Niassa Province
    		[var: Rhodolite] Martins da Pedra.
    Norway
     
    • Aust-Agder
    		[var: Rhodolite] No reference listed
    • Hordaland
      • Radøy
    		Kolderup (1903, p. 32); Neumann (1985, p. 131).
    • More og Romsdal
      • Haram
        • Fjortoft Island
    		Geology, Nov. 2002, V. 30, N° 11, pp. 959-962.
      • Midsund
        • Otteroya (Otroy)
    		Hysingjord (1967, p. 6); Neumann (1985, pp. 132 and 133).
    Carswell (1968, p. 334); Neumann (1985, p. 132).
      • Norddal
        • Tafjord
    		Carswell (1968, table 1a); Neumann (1985, p. 132).
      • Vanylven
        • Almklovdalen
    		Banno & Mori (1976, table 1); Neumann (1985, p. 132).
    • Nordland
      • Meløy
        • Meløyfjorden
    		Østergaard (1968, p. 64); Neumann (1985, p. 132).
    • Troms
      • Tromsø
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
    		[World of Stones 12:49]
        • Mirny
        • Vilyui River Basin (Vilui River Basin; Wilui River Basin)
          • Lower Khann'ya River
    Slovakia
     
    • Banská Bystrica Region
      • Western Slovenské Rudohorie Mts
        • Kokava nad Rimavicou
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    Somaliland
     
    • Hargeisa (Hargeysa)
    South Africa
     
    • Free State Province
    		Eur. J. Mineral. , 1991, 3, pp. 213-230.
    • Northern Cape Province
      • Finsch mine
    		Contributions to Mineralogy and Petrology (Historical Archives), V 110, N 1, March 1992, pp. 133-138.
      • Namaqualand
    		Minerals of South Africa
    Sri Lanka
    No reference listed
    No reference listed
    • Central Province
    		[var: Rhodolite]
    • Uva Province
    Thailand
     
    UK
     
    • Scotland
      • Fife
    		UKJMM 27:30
    USA
     
    • Alabama
    		Gems and Minerals of America-Jay Ellis Ransom-1974
    [var: Rhodolite] Gems and Minerals of America- Jay Ellis Ransom-1974
    • Arizona
      • Apache Co.
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 344; Gregory, H.E. (1917), Geology of the Navajo Country-A reconnaissance of parts of AZ, NM, & UT, USGS PP 93; Gavasci, A.T. & P.F. Kerr (1968), Uranium emplacement at Garnet Ridge, Econ.Geol.: 63: 859-876; Switzer, G. (1977), Composition of garnet xenocrysts from three kimberlite pipes in AZ and NM, in B. Mason (ed.), Mineral sciences investigations, 1974-1975, Smithsonian Contr. Earth Sci.: 19: 1-21; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 94.
    New Mexico GeologicalSociety Guidebook, 54th Field Conference, Geology of the Zuni Plateau, 2003, pp. 133-138; Kiersch, G.A. (1955), Mineral resources of the Navajo-Hopi Indian Reservation, Arizona-Utah, Univ. of AZ: 90-94; Peirce, H.W. (1969), Garnet, in AZ Bur. Mines Bull. 180, USGS Bull..871; Phillips, K.A. (1987), Arizona Industrial Minerals, AZ Dept. of Mines & Min. Resources, Min. Rpt. 4.
        • Navajo Indian Reservation
          • Monument Valley
            • Dinnehotso
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 102, 260; Williams, H. (1936), Pleiocene volcanics of the Navajo-Hopi country, Geol. Soc. Amer. Bull.: 47: 111-172; Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits in the Monument Valley area, Apache & Navajo Cos., AZ, USGS Bull. 1103: 54-60; Watson, K.D. & D.M. Morton (1969), Eclogite inclusions in kimberlite pipes at Garnet Ridge, northeastern AZ, Am.Min.: 54: 267-285; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 94; Min.Rec.: 32:211.
      • Cochise Co.
        • Mule Mts
          • Warren District
    		[MinRec 12:315]
      • Coconino Co.
    		No reference listed
      • Pima Co.
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 106; Pilkington, H.D. (1961), A mineralogic investigation of some garnets from the Catalina Mountains, Pima Co., AZ, AZ Geol. Soc. Digest: 4: 117-122.
    • Arkansas
      • Pike Co.
        • Murfreesboro
    		Dunn, D. 2002. Xenolith Mineralogy and Geology of the Prairie Creek Lamproite Province, Arkansas
    • California
      • Sonoma Co.
        • Jenner
    		http://geology.about.com/library/bl/images/bleclogite.htm
      • Tulare Co.
    • Colorado
      • Boulder Co.
    		"Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997
      • Jackson Co.
        • Pearl District
    		Minerals of Colorado (1997) E.B. Eckels
      • Larimer Co.
    		Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) E.B. Eckels
    [MinRec 13:207]
      • Park Co.
        • Lake George
    		No reference listed
    • Connecticut
      • New London Co.
        • Colchester
          • Westchester
            • Salmon River State Forest
              • Dickinson Creek
    		[var: Rhodolite] Rocks & Min. 70:379
    • Georgia
    [var: Rhodolite] Gems and Minerals of America- Jay Ellis Ransom-1974
      • Lumpkin Co.
        • Frogtown Gap
    		Rocks & Min.: 64:200.
    • Kansas
      • Riley Co.
    		Am Min 67:223-233
    Am Min 67:223-233
    Am Min 60:675-680; Zeitner (1956), Midwest Gem Trails
    • Kentucky
      • Elliott Co.
    		Anderson (1994) Kentucky Geol. Survey Ser. XI Spec. Pub 20
    • Maryland
      • Howard Co.
        • Davis
    		reported by Ostrander and Price(1940) but not seen in in dumps by Bernstein (1980)
    • Massachusetts
      • Worcester Co.
        • Sturbridge
    		Januzzi, 1976. Mineral Localities of Connecticut and Southeastern New York State (Taylor Assoc./Mineralogical Press). Chapter: "Massachusetts Mineral Localities."
    • Michigan
      • Dickinson Co.
        • Felch
    		Mineralogy of Michigan (2004) Heinrich & Robinson
    Mineralogy of Michigan (2004) Heinrich & Robinson
        • Foster City
    		Mineralogy of Michigan (2004) Heinrich & Robinson
    Mineralogy of Michigan (2004) Heinrich & Robinson
        • Waucedah
    		Mineralogy of Michigan (2004) Heinrich & Robinson
    www.deq.state.mi.us/documents/deq-glm-rcim-geology-Minerals_Found_In_Michigan.Pdf.
        • Lake Ellen
    		Mineralogy of Michigan (2004) Heinrich & Robinson
        • Mansfield
    		Mineralogy of Michigan (2004) Heinrich & Robinson
    Mineralogy of Michigan (2004) Heinrich & Robinson
      • Menominee Co.
    		Mineralogy of Michigan (2004) Heinrich & Robinson
        • Loretto
    		Mineralogy of Michigan (2004) Heinrich & Robinson
    • Montana
      • Judith Basin Co.
        • Little Belt Mts
          • Yogo District
    		http://www.eos.ubc.ca/personal/groat/sapphires.htm
    • Nevada
      • Pershing Co.
    		NBMG Spec. Pub. 31 Minerals of Nevada
    • New Hampshire
      • Grafton Co.
        • Hanover
    		No reference listed
    • New Mexico
      • Grant Co.
        • White Signal District
    		NMBMMR Bull 83 Mineral Deposits of Western Grant County, New Mexico
    Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
      • McKinley Co.
    		Minerals of New Mexico 3rd ed.
    [www.johnbetts-fineminerals.com]
    Minerals of New Mexico 3rd ed.
        • Red Lake volcanic field
    		Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
      • San Miguel Co.
    		Minerals of New Mexico 3rd ed.
      • Santa Fe Co.
    		Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
      • Socorro Co.
    		Minerals of New Mexico 3rd ed.
    • New York
      • Tompkins Co.
        • Portland Point
    		George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.
    [var: Rhodolite]
    Treasure Hunting in North Carolina
      • Ashe Co.
        • Jefferson
    		[var: Rhodolite] Wilson,W.F and McKenzie,B.J,1978,Mineral Collecting Sites in North Carolina,Information Circular 24
      • Burke Co.
        • Brindletown
    		Rocks & Min.:60:86.
    Rocks & Min.: 60: 86.
    [var: Rhodolite] Gems and Minerals of America-Jay Ellis Ransom-1974
        • Cedar Valley
    		[var: Rhodolite] Wilson,W.F and McKenzie,B.J,1978,Mineral Collecting Sites in North Carolina,Information Circular 24
      • Haywood Co.
        • Waynesville
    		[var: Rhodolite]
    [var: Rhodolite] Gems and Minerals of America-Jay Ellis Ransom-1974
    [var: Rhodolite] U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995
      • Macon Co.
        • Alarka
    		[var: Rhodolite] U.S Bureau of Mines/Spatial Data fromthe Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995
    [var: Rhodolite] Wilson,W.F and McKenzie,B.J,1978,Mineral Collecting Sites in North Carolina
    [var: Rhodolite] U.S Bureau of Mines /Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995
    [var: Rhodolite]
    [var: Rhodolite] U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995
    [var: Rhodolite] U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995
    [var: Rhodolite] U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995
        • Mason Mountain
    		[var: Rhodolite] U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    [var: Rhodolite] Wilson,W.F and McKenzie,B.J,1978,Mineral Collecting Sites in North Carolina,Information Circular 24
    [var: Rhodolite] Gems and Minerals of America-Jay Ellis Ransom-1974
    Gems and Minerals of America -Jay Ellis Ransom-1974
    • Utah
      • San Juan Co.
        • Bluff
    		New Mexico GeologicalSociety Guidebook, 54th Field Conference, Geology of the Zuni Plateau, 2003, pp. 133-138.
    New Mexico GeologicalSociety Guidebook, 54th Field Conference, Geology of the Zuni Plateau, 2003, pp. 133-138.
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    R&M 68:1 p20-33
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    • Vermont
      • Windham Co.
    		Morrill & Chaffee, 1957. VT Mines & Mineral Localities.
    Child, 1884: Gazetteer and Business Directory of Windham Co., Vermont
    • Virginia
      • Rockbridge Co.
    		Minerals of Virginia, 1990 by R. V. Dietrich
    • Washington
      • San Juan Co.
    		Minerals of Washington, Bart Cannon, 1975
      • Skagit Co.
        • Cascade District
          • Cascade Pass
    		Inventory of Washington Minerals, Part I, Nonmetalic Minerals, Vol. 1; Marshall T. Huntting, 1956
    • Wisconsin
      • Kenosha Co.
        • Kenosha
    		Rocks & Min. Vol. 73 (1998)
    • Wyoming
      • Albany Co.
    		Rocks & Minerals 76:382
    Rocks & Minerals 76:382-383
      • Laramie Co.
    		Rocks & Minerals 76:387
      • Sweetwater Co.
    		Rocks & Minerals 76:389
    Rocks & Minerals 76:390
    Venezuela
     
    • Bolívar
    		No reference listed
    Zambia
     
    • Eastern Province
    Mineral and/or Locality
    Google
     
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