Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportAdd Glossary Item
StatisticsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Omphacite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
(Ca,Na)(Mg,Al)Si2O6
System:
Monoclinic
Colour:
dark green
Hardness:
5 - 6
Name:
From the Greek for unripe grape, in allusion to its green colour.
Pyroxene Group.
A clinopyroxene solid solution of jadeite (25%-75%), augite (25%-75%), and aegirine (0%-25%).
Retained as a distinct species for practical reasons.

A primary constituent of the rock eclogite.

Visit gemdat.org for gemological information about Omphacite.

Classification of Omphacite

Approved
8/F.01-100
9.DA.20

9 : SILICATES (Germanates)
D : Inosilicates
A : Inosilicates with 2-periodic single chains, Si2O6; pyroxene family
65.1.3b.1

65 : INOSILICATES Single-Width,Unbranched Chains,(W=1)
1 : Single-Width Unbranched Chains, W=1 with chains P=2
16.24.2

16 : Silicates Containing Aluminum and other Metals
24 : Aluminosilicates of Fe, Mg, Ca and alkalis
mindat.org URL:
http://www.mindat.org/min-2991.html
Please feel free to link to this page.

Type Occurrence of Omphacite

Year of Discovery:
1815

Physical Properties of Omphacite

Colour:
dark green
Streak:
greenish white
Hardness (Mohs):
5 - 6
Cleavage:
Distinct/Good

Crystallography of Omphacite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 9.66Å, b = 8.81Å, c = 5.22Å
β = 106.56°
Ratio:
a:b:c = 1.096 : 1 : 0.593
Unit Cell Volume:
V 425.82 ų (Calculated from Unit Cell)
Comment:
Space group may be C2/c or P2/n.

Optical Data of Omphacite

Type:
Biaxial (+)
RI values:
nα = 1.662 - 1.701 nβ = 1.670 - 1.712 nγ = 1.685 - 1.723
2V:
Measured: 58° to 83°, Calculated: 74° to 88°
Max Birefringence:
δ = 0.023
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v moderate

Chemical Properties of Omphacite

Formula:
(Ca,Na)(Mg,Al)Si2O6
Essential elements:
All elements listed in formula:
Common Impurities:
Ti,Cr,Mn,K,H2O

Relationship of Omphacite to other Species

Other Members of Group:
AegirineNaFe3+Si2O6
Aegirine-augite(Na,Ca)(Fe3+,Fe2+,Mg,Al)Si2O6
Augite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
ClinoenstatiteMgSiO3
ClinoferrosiliteFe2+SiO3
DiopsideCaMgSi2O6
EsseneiteCaFe3+[AlSiO6]
GrossmaniteCaTi3+ AlSiO6
HedenbergiteCaFe2+Si2O6
JadeiteNa(Al,Fe3+)Si2O6
Jervisite(Na,Ca,Fe2+)(Sc,Mg,Fe2+)Si2O6
JohannseniteCaMn2+Si2O6
KanoiteMn2+(Mg,Mn2+)Si2O6
KosmochlorNaCrSi2O6
KushiroiteCaAl[AlSiO6]
NamansiliteNaMn3+Si2O6
NatalyiteNa(V3+,Cr)Si2O6
PetedunniteCa(Zn,Mn2+,Mg,Fe2+)Si2O6
Pigeonite(Mg,Fe2+,Ca)(Mg,Fe2+)Si2O6
SpodumeneLiAlSi2O6
9.DA.05Donpeacorite(Mn2+,Mg)Mg[SiO3]2
9.DA.05EnstatiteMgSiO3
9.DA.05FerrosiliteFeSiO3
9.DA.10ClinoenstatiteMgSiO3
9.DA.10ClinoferrosiliteFe2+SiO3
9.DA.10KanoiteMn2+(Mg,Mn2+)Si2O6
9.DA.10Pigeonite(Mg,Fe2+,Ca)(Mg,Fe2+)Si2O6
9.DA.15Augite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
9.DA.15DiopsideCaMgSi2O6
9.DA.15EsseneiteCaFe3+[AlSiO6]
9.DA.15HedenbergiteCaFe2+Si2O6
9.DA.15JohannseniteCaMn2+Si2O6
9.DA.15PetedunniteCa(Zn,Mn2+,Mg,Fe2+)Si2O6
9.DA.15DavisiteCaScAlSiO6
9.DA.15KushiroiteCaAl[AlSiO6]
9.DA.15GrossmaniteCaTi3+ AlSiO6
9.DA.20Aegirine-augite(Na,Ca)(Fe3+,Fe2+,Mg,Al)Si2O6
9.DA.25AegirineNaFe3+Si2O6
9.DA.25JadeiteNa(Al,Fe3+)Si2O6
9.DA.25Jervisite(Na,Ca,Fe2+)(Sc,Mg,Fe2+)Si2O6
9.DA.25KosmochlorNaCrSi2O6
9.DA.25NamansiliteNaMn3+Si2O6
9.DA.25NatalyiteNa(V3+,Cr)Si2O6
9.DA.30SpodumeneLiAlSi2O6
16.24.1Aegirine-augite(Na,Ca)(Fe3+,Fe2+,Mg,Al)Si2O6
16.24.4Ferri-katophoriteNa(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2
16.24.5Ferro-ferri-katophoriteNaCaNaFe42+(Fe3+)[(AlSi7)O22](OH)2
16.24.6Barroisite☐{CaNa}{Mg3Al2}(AlSi7O22)(OH)2
16.24.7Ferri-barroisite☐(CaNa)(Mg3Fe23+)(AlSi7O22)(OH)2
16.24.8Alumino-ferrobarroisite☐{CaNa}{Fe32+Al2}(AlSi7O22)(OH)2
16.24.9Ferro-barroisite☐{CaNa}{Fe32+Al2}(AlSi7O22)(OH)2
16.24.10Ferro-ferri-barroisite☐(CaNa)(Fe32+Fe23+)(AlSi7O22)(OH)2
16.24.11Hastingsite{Na}{Ca2}{Fe42+Fe3+}(Al2Si6O22)(OH)2
16.24.12Magnesio-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)(OH)2
16.24.13Taramite Root NameA(CaNa)(Z32+Z23+)(Al2Si6O22)(OH,F,Cl)2
16.24.14Ferri-taramiteNa(CaNa)(Mg3Fe23+)(Al2Si6O22)(OH)2
16.24.15Magnesiotaramite{Na}{CaNa}{Mg3AlFe3+}(Al2Si6O22)(OH)2
16.24.16Osumilite-(Mg)KMg2Al3(Al2Si10)O30
16.24.16Osumilite(K,Na)(Fe2+,Mg)2(Al,Fe3+)3(Si,Al)12O30

Other Names for Omphacite

Other Information

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

References for Omphacite

Reference List:
Clark, Joan R. & J.J. Papike (1968), Crystal chemistry characterization of omphacites: American Mineralogist: 53: 840-868.

Clark, Joan R. & J.J. Papike (1969), Cation distribution in the crystal structure of omphacite, the eclogitic pyroxene: Geological Society of America Abstract for 1968.

Edgar, A.D., A. Mottana & N.D. MacRae (1969), The chemistry and cell parameters of omphacite and related pyroxenes: Mineralogical Magazine: 37: 61-74.

Champness, P.E. (1973), Speculation on an order-disorder transformation in omphacite: American Mineralogist: 58: 540-542.

Aldridge, L.P., Bancroft, G.M., Fleet, M.E., and Herzberg, C.T. (1978): Omphacite studies. II. Mössbauer spectra of C2/c and P2/n omphacites. American Mineralogist: 63: 1107-1115.

A. Mottana, G. Rossi, A. Kracher, G. Kurat (1979): Violan revisited: Mn-bearing omphacite and diopside. Tschermaks mineralogische und petrographische Mitteilungen 26, 187-201.

European Journal of Mineralogy (1998): 10: 889.

Katerinopoulou, A.; Katerinopoulos, A.; Bieniok, A.; Knop, E.; Magganas, A.; Amthauer, G. (2007): Crystal chemistry, structure analyses and phase transition experiment on an omphacite from eclogitic metagabbro from Syros island, Greece. Mineralogy and Petrology 91, 117-128.

Internet Links for Omphacite

Localities for Omphacite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Afghanistan
 
  • Badakhshan Province (Badakshan Province; Badahsan Province)
    • Khash & Kuran Wa Munjan Districts
      • Koksha Valley (Kokscha Valley; Kokcha Valley)
        • Sar-e Sang (Sar Sang; Sary Sang)
Journal of Petrology 43(4):725-747 (2002)
Australia
 
  • New South Wales
    • Yungnulgra Co.
      • White Cliffs
Eur. J. Mineral. , 1991, 3, pp. 293-322.
  • Tasmania
    • Collingwood River
Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
  • Victoria
Eur. J. Mineral. , 1989, 1, pp. 105-121.
Eur. J. Mineral. , 1989, 1, pp. 105-121.
Austria
 
  • Carinthia
    • Friesach - Hüttenberg area
      • Hüttenberg
        • Hüttenberger Erzberg
    • Koralpe
      • Maria Rojach
H. Meixner: Carinthia II, special ed. no. 21 (1957)
      • St Vinzenz
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    • Saualpe
      • Bad St Leonhard
        • Mica Mines
Meixner, H. (1952): Neue Mineralfunde in den österreichischen Ostalpen XII. Carinthia II, 142./62, 27-46.
      • Ladinger Spitze - Speikkogel area
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995; Mottana, A., Church, W.R., and Edgar, A.D. (1968): Contributions to Mineralogy and Petrology 18, 338-346.
G.Niedermayr (1984)
    • St Paul im Lavanttal
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Lower Austria
    • Mostviertel
      • Dunkelstein Forest
        • Dunkelsteinerwald
          • Gansbach
D.A. Carswell et al., Eur.J. Mineral., 1989, 1, pp. 455-466.
    • Waldviertel
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Styria
    • Koralpe
      • Eibiswald
        • Sankt Oswald ob Eibiswald
          • Krumbach
Heritsch, H. (1963) : Exkursion in das Kristallin der Koralpe. In : Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark, Band 93, 1963, p. 194 – 196.
      • Wies
        • Wernersdorf
Aufschluss 1972(SB), 44
  • Tyrol
    • North Tyrol
      • Ötz valley
        • Sulz valley
Miller, C. (1970): Contributions to Mineralogy and Petrology 28, 42-56.
Brazil
 
  • Minas Gerais
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)
 
  • Kachin State
    • Mohnyin District (Moe Hnyin District)
      • Hpakant Township (Hpakan; Phakant; Phakan)
Shi, G., Harlow, G.E., Wang, J. Wang, J., Ng, E., Wang, X., Cao, G. & Cui, W. (2012): Mineralogy of jadeitite and related rocks from Myanmar:a review with new data. Eur. J. Mineral. 24, 345–370
Shi, G., Harlow, G. E., Wang, J., Wang, J., Ng, E., Wang, X., ... & Cui, W. (2012). Mineralogy of jadeitite and related rocks from Myanmar: a review with new data. European Journal of Mineralogy, 24(2), 345-370.
Jing Wang, Guanghai Shi, Jun Wang, Ye Yuan, and Mengchu Yang (2013): Acta Petrologica Sinica 29(4), 1450-1460
Canada
 
  • Newfoundland and Labrador
    • Labrador
L. W. Curtis And J. Gittins (1979) Aluminous and Titaniferous Clinopyroxenes from Regionally Metamorphosed Agpaitic Rocks in Central Labrador. J. Petrology 20:165-186.; anadian Mineralogist Vol. 13, pp. 62-67 (1975); Curtis, L.W. & Currie, K.L. (1977) Geology and petrology of the Red Wine complex, Central Labrador. GSC Bulletin 287, 61p. + maps
  • Northwest Territories
    • Contwoyto Lake
www.venuewest.com/8IKC/s2post.htm.
  • Québec
    • Abitibi-Témiscamingue
      • La Vallée-de-l'Or RCM
        • Réservoir-Dozois
Olivier Langelier
    • Nord-du-Québec
      • Baie-James
        • Otish Mts
Van Rythoven, A.D., McCandless, T.E., Schulze, D.J., Bellis, A., Taylor, L.A. & Liu, Y. (2011): Diamond crystals and their mineral inclusions from the Lynx Kimberlite dyke complex, central Quebec. Canadian Mineralogist. 49, 691-706.
China
 
  • Anhui Province
    • Anqing Prefecture
      • Qianshan Co.
Luo Yan, Gao Shan, Yuan Honglin, Liu Xiaomin, Günther, D., Jin Zhenmin, and Sun Min (2004): Science in China, Series D (Earth Sciences), 47(10), 920-930.
Eur. J. Mineral. , 1995, 7, pp. 119-138.
      • Taihu Co.
        • Lake Hualiangting
Castelli, D., Rolfo, F., Compagnoni, R., and Shutong Xu (1998): Island Arc 7 (1-2), 159–173.; Franz, L., Romer, R.L., Klemd, R., Schmid, R., Oberhänsli, R., Wagner, T., and Dong Shuwen (2001): Contributions to Mineralogy and Petrology 141, 322-346.
Wu, Xiuling, Dawei Meng, and Yujing Han (2005), α-PbO2-type nanophase of TiO2 from coesite-bearing eclogite in the Dabie Mountains, China: American Mineralogist: 90: 1458-1461
      • Tongcheng Co.
Yican Liu, Shutong Xu, Shuguang Li, Laili Jiang, Weiping Wu, Guanbao Chen, and Wen Su (2000): Science in China, Series D (Earth Sciences), 43(suppl.), 178-188.
Yican Liu, Shutong Xu, Shuguang Li, Laili Jiang, Weiping Wu, Guanbao Chen, and Wen Su (2000): Science in China, Series D (Earth Sciences), 43(suppl.), 178-188.
      • Yuexi Co.
Yilin Xiao, Hoefs, J., van den Kerkhof, A.M., Fiebig, J., and Yongfei Zheng (2000): Contributions to Mineralogy and Petrology 139, 1-16.
        • Wumiao
A.I. Okay et al. , Eur. J. Mineral. , 1989, 1, pp. 595-598.
          • Marble quarry
Aral, I. (1993). Petrology of a diamond and coesite-bearing metamorphic terrain: Dabie Shan. China. Eur. J. Mineral, 5, 659-675.
    • Lu'an Prefecture
      • Shucheng Co.
Yican Liu, Shutong Xu, Shuguang Li, Laili Jiang, Weiping Wu, Guanbao Chen, and Wen Su (2000): Science in China, Series D (Earth Sciences), 43(suppl.), 178-188.
Yican Liu, Shutong Xu, Shuguang Li, Laili Jiang, Weiping Wu, Guanbao Chen, and Wen Su (2000): Science in China, Series D (Earth Sciences), 43(suppl.), 178-188.
  • Henan Province
    • Nanyang Prefecture
      • Tongbai Co.
Chinho Tsai, Hanwen Zhou, and Yoshiyuki Iizuka (2007): Goldschmidt Conference Abstracts 2007, A 1039.
    • Sanmenxia Prefecture
      • Lushi Co.
        • Guanpo
Nenggao Hu, Donglin Zhao, Baiqing Xu, and Tao Wang (1995): Journal of Mineralogy and Petrology 16(4)
    • Xinyang Prefecture
      • Luoshan Co.
        • Sujiahe
- Weidong Sun, Williams, I.S., and Shuguang Li (2002): Journal of Metamorphic Geology 20(9), 873-886.
Ratschbacher, L., Franz, L., Enkelmann, E., Jonckheere, R., Pörschke, A., Hacker, B.R., Dong, S., and Zhang, Y. (2006), In: Hacker, B.R., McClelland, W.C., and Liou, J.G. (eds.): Ultrahigh-pressure metamorphism: Deep continental subduction. Geological Society of America Special Paper 403, 45–75.
      • Xin Co.
Ruyuan Zhang and Liou, J.G. (1994): European Journal of Mineralogy 6(2), 217-233.
  • Hubei Province
    • Huanggang Prefecture
      • Hong'an Co.
Yuanbao Wu, Shan Gao, Hongfei Zhang, Saihong Yang, Wenfang Jiao, Yongsheng Liu, and Honglin Yuan (2008): Contributions to Mineralogy and Petrology 155, 123-133.
      • Luotian Co.
        • Hejiawan
Zhong Zengqiu, Zhang Hongfei, Suo Shutian, and You Zhendong (1999): Journal of China University of Geosciences 10(3).
      • Yingshan Co.
Zhong Zengqiu, Zhang Hongfei, Suo Shutian, and You Zhendong (1999): Journal of China University of Geosciences 10(3).
Guxian Lü, Jing Chen, Tiping Ding, Xiaobo Li, Fangzheng Wang, and Ruixun Li (2001): Journal of Geosciences of China 3(1), 1-12.
    • Xiaogan Prefecture
      • Dawu Co.
Ratschbacher, L., Franz, L., Enkelmann, E., Jonckheere, R., Pörschke, A., Hacker, B.R., Dong, S., and Zhang, Y. (2006), In: Hacker, B.R., McClelland, W.C., and Liou, J.G. (eds.): Ultrahigh-pressure metamorphism: Deep continental subduction. Geological Society of America Special Paper 403, 45–75.
  • Jiangsu Province
    • Lianyungang Prefecture
      • Donghai Co.
        • Maobei
Yilin Xiao, Zheming Zhang, Hoefs, J., and van den Kerkhof, A. (2006): Contributions to Mineralogy and Petrology 152, 443-458.
Jinjie Yu, Pingan Wang, Jianping Huang, Hui Wang, and Xiaofeng Li (2006): Journal of China University of Geosciences 31(4), 520-526
Xuanhua Chen, Xiaofeng Wang, Qing Zhang, Zhengle Chen (1997): Acta Mineralogica Sinica 17(2), 208-214
Zhang, R.Y., Liou, J.G., and Shu, J.F. (2002): American Mineralogist 87, 445-453; Yang, T.N. (2004): Journal of Metamorphic Geology 22(7), 653–669; Mattinson, C.G., Zhang, R.Y., Tsujimori, T., and Liou, J.G. (2004): American Mineralogist 89(11-12), 1772-1783; Rong Yan and Jianjun Yang (2013): Acta Petrologica Sinica 29(5), 1621-1633
    • Xuzhou Prefecture
      • Xinyi Co.
Jinjie Yu, Pingan Wang, Jianping Huang, Hui Wang, and Xiaofeng Li (2006): Journal of China University of Geosciences 31(4), 520-526
Pinghuang Jian, Dongsheng Ma, Cong Liu, and Huogen Chen (2006): Chinese Journal of Geochemistry 25(1), 33-42.; Jinjie Yu, Pingan Wang, Jianping Huang, Hui Wang, and Xiaofeng Li (2006): Earth Science, Journal of China University of Geosciences 31(4), 520-526
  • Qinghai Province
    • Haibei Autonomous Prefecture
      • Gangca Co. (Gangcha Co.)
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.
      • Qilian Co.
Song Shuguang, Zhang Lifei, Niu Yaoling, Song Biao, Zhang Guibing, and Wang Qianjie (2004): Chinese Science Bulletin 49(8), 848-852.
Song Shuguang, Zhang Lifei, Niu Yaoling, Song Biao, Zhang Guibing, and Wang Qianjie (2004): Chinese Science Bulletin 49(8), 848-852.
    • Haixi Autonomous Prefecture
      • Da Qaidam Co. (Dachaidan Co.)
Jingsui Yang, Shuguang Song, Zhiqin Xu, Fulai Liu, Shigenori Maruyama, Liou, J.G., Jianxin Zhang, Cailai Wu, Haibing Li, and Rendeng Shi (2001): Presented at the 11th Annual V.M. Goldschmidt Conference, Abstract no. 3088.
        • Xitieshan
Yang Jingsui et al.(2001): UHPM workshop, Waseda University.
Chen Danling, Sun Yong, Liu Liang, Zhang Anda, and Lin Ciluan (2007): Science in China, Series D (Earth Sciences), 50(suppl. 2), 322-330.
      • Dulan Co.
Mattinson, C.G., Wooden, J.L., Liou, J.G., Bird, D.K., and Wu, C.L. (2006): American Journal of Science 306, 683-711.; American Mineralogist, Volume 94, pages 222–228, 2009
  • Shandong Province
    • Jiaodong Peninsula (Jiaodong Gold Province)
      • Qingdao Prefecture
        • Jiaonan Co.
Hongrui Fan, Jinghui Guo, Fangfang Hu, Xuelei Chu, and Chengwei Jin (2005): Acta Petrologica Sinica 21(4), 1125-1132
        • Laoshan District
Luo Yan, Gao Shan, Yuan Honglin, Liu Xiaomin, Günther, D., Jin Zhenmin, and Sun Min (2004): Science in China, Series D (Earth Sciences), 47(10), 920-930.
      • Weihai Prefecture
        • Rongcheng Co.
Zhao, R., Liou, J.G., Zhang, R.Y., and Li, T. (2006), In: Hacker, B.R., McClelland, W.C., and Liou, J.G. (eds.): Ultrahigh-pressure metamorphism: Deep continental subduction. GSA Publications, Boulder (CO), USA, pp. 115-126.
    • Rizhao Prefecture
      • Lanshan District
American Mineralogist, Volume 87, pages 875-881, 2002, KAI YE et al. "Ultrahigh-pressure (UHP) low-Al titanites from carbonate-bearing rocks in Dabieshan-Sulu UHP terrane, eastern China".
  • Tibet Autonomous Region
    • Ngari Prefecture
      • Gêrzê Co. (Gaize Co.)
Kaijun Zhang, Jianxin Cai, Yuxiu Zhang, and Taiping Zhao (2006): Earth and Planetary Science Letters 245(3/4), 722-729.
  • Xinjiang Autonomous Region
    • Bayin'gholin Autonomous Prefecture (Bayingolin Autonomous Prefecture; Bayinguoleng Autonomous Prefecture)
      • Qiemo Co. (Qerqen Co.; Cherchen Co.)
        • Jianggalesayi area
Zhang, J.X. et al. (2001): Lithos 56, 187-206.
    • Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture)
Wei Lin and Masaki Enami (2006): Island Arc 15(4), 483-502.
      • Zhaosu Co.
Xin Liu, Wen Su, Jun Gao, Jilei Li, and Tuo Jiang (2013): Acta Petrologica Sinica 29(5), 1675-1684
Lifei Zhang, Jun Gao, Ekebair, S., and Zongxiu Wang (2001): Science in China, Series D (Earth Sciences), 44(1), 85-96; Jianrong Shi, Hong Yang, Fulai Liu, En Meng, Pinghua Liu, Fang Wang, and Jia Cai (2013): Acta Petrologica Sinica 29(6), 2251-2264; Jianrong Shi, Fulai Liu, Pinghua Liu, En Meng, Chaohui Liu, Hong Yang, Fang Wang, and Jia Cai (2014): Acta Petrologica et Mineralogica 33(1), 29-50
Colombia
 
  • La Guajira Department
    • Mun. de Uribia
Green, D. H., Lockwood, J. P., and Kiss, E., 1968, Eclogite and Almandine-Jadeite-Quartz Rock from the Guajira Peninsula, Colombia, South America, American Mineralogist, V. 53, p. 1320-1335.
Cuba
 
  • Guantánamo Province
Garcia-Casco, A. et al (2009) A new jadeitite jade locality (Sierra del Convento, Cuba): first report and some petrological and archeological implications. Contributions to Mineralogy and Petrology, 158, #1, 1-16.
  • Villa Clara Province
Stanek, K. P., Maresch, W., Grafe, F., Gravel, C. H., & Baumann, A. (2006). Structure, tectonics and metamorphic development of the Sancti Spiritus Dome (eastern Escambray massif, Central Cuba). Geologica Acta, 4(1), 151.; Maresch, W. V., Grevel, C., Stanek, K. P., & Carpenter, M. A. (2007). Coexisting jadeite and omphacite in metabasites from the Escambray Massif, Cuba. Geochim. Cosmochim. Acta, 71, A621.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Kutná Hora (Kuttenberg)
    • Ústí Region
      • Třebenice (Trebnitz)
Seifert, A.V., Vrana, S. (2005): Bohemian garnet, Bulletin of Geosciences, Vol. 80, 113-124
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Třebíč
        • Rouchovany
Bernard J.H. and Hyrsl J. (2004) Minerals and their Localities.
France
 
  • Brittany
    • Finistère
      • Lesneven
Bull. Minéral. , 1987, 110, pp. 683-696.
    • Morbihan
      • Groix
        • Groix Island
Inventaire Minéralogique de la France numero 9 Morbihan ( éditions BRGM )
  • Limousin
    • Haute-Vienne
D. Coffrant, Bull. Soc. Fr. Minéral. Cristallogr. , 1974, 97, pp. 70-78.
  • Pays de Loire
    • Loire-Atlantique
      • Saint-Philbert-de-Grand-Lieu
INVENTAIRE DU PATRIMOINE GEOLOGIQUE DE LOIRE ATLANTIQUE, Fiche IPG44_FA004
    • Vendée
      • Saint-Philbert-de-Bouaine
G.Godard 2001 The Les Essarts eclogite-bearing metamorphic Complex (Vendée, southern Armorican Massif, France): Pre-Variscan terrains in the Hercynian belt?, Géologie de la France, n° 1-2, 2001, pp. 19-51
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
KAISER, H. (1984): Die Grube Clara zu Wolfach im Schwarzwald. Verlag Karl Schillinger, Freiburg im Breisgau, 102 pp. (in German)
  • Bavaria
    • Franconia
      • Münchberg Metamorphic complex
        • Bad Berneck
        • Konradsreuth
[var: Chrome-Omphacite] F. Müller: "Bayerns steinreiche Ecke", 2nd ed., Oberfränkische Verlagsanstalt (Hof), 1984
        • Marktschorgast
F. Müller: "Bayerns steinreiche Ecke", 2nd ed., Oberfränkische Verlagsanstalt (Hof), 1984
        • Oberkotzau
F. Müller: "Bayerns steinreiche Ecke", 2nd ed., Oberfränkische Verlagsanstalt (Hof), 1984
        • Schwarzenbach an der Saale
F. Müller: "Bayerns steinreiche Ecke", 2nd ed., Oberfränkische Verlagsanstalt (Hof), 1984
        • Stammbach
          • Weißenstein
[Clark, 1993 - "Hey's Mineral Index"]
        • Wölbattendorf
F. Müller: "Bayerns steinreiche Ecke", 2nd ed., Oberfränkische Verlagsanstalt (Hof), 1984
  • Rhineland-Palatinate
    • Eifel
      • Andernach
        • Nickenich
Hand Egon Künzel, Günter Blaß, Willi Schüller (2011) Mineralien - Bomben - Grottensteine: Der Nickenicher Weinberg. Lapis, 36, #7-8, 55-66
  • Saxony
    • Erzgebirge
      • Clausnitz - Sayda District
        • Voigtsdorf
Eur. J. Mineral. , 1991, 3, pp. 291-238.
      • Großhartmannsdorf
Eur. J. Mineral. , 1991, 3, pp. 291-238.
Eur. J. Mineral. , 1991, 3, pp. 291-238.
      • Pockau
        • Forchheim
Eur. J. Mineral. , 1991, 3, pp. 291-238.
      • Zöblitz
Eur. J. Mineral. , 1991, 3, pp. 291-238.
Greece
 
  • Aegean Islands Department (Aiyaíon)
    • Kykládes Prefecture
      • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
        • Andros Island
Reinecke, T. (1982): Contributions to Mineralogy and Petrology 79, 333-336.
        • Sifnos Island
Eur. J. Mineral. , 1992, 4, pp. 619-634.
Marschall, H. R., Ertl, A., Hughes, J. M. & McCammon, C. (2004): Metamorphic Na- and OH-rich disordered dravite with tetrahedral boron, associated with omphacite, from Syros, Greece: Chemistry and structure. European Journal of Mineralogy 16, 817-823.
          • Gria Spilia
Frank Mazdab collection (hand sample + thin section)
  • Thraki Department (Thrace; Thracia)
    • Komotini Prefecture (Rodopi; Rhodope)
      • Thermes
Eur. J. Mineral. , 1994, 6, pp. 733-738.
Guatemala
 
  • Jalapa Department
[var: Titanian Omphacite] http://gsa.confex.com/gsa/2003AM/finalprogram/abstract_65497.htm.; Harlow, G. E. (1994). Jadeitites, albitites and related rocks from the Motagua Fault Zone, Guatemala. Journal of Metamorphic Geology, 12(1), 49-68.
  • Motagua Valley
Am. Miner., V. 90, pp. 836-842, 2005.
India
 
  • Maharashtra
    • Mumbai District (Bombay District)
      • Murud-Janjira
A.G. Dessai et al. , Eur. J. Mineral. , 1990, 2, pp. 667-685.
Iran
 
  • Kerman Province
    • Baft District
      • Soghan
Oberhänsli, R., Bousquet, R., Moinzadeh, H., Moazzen, M., & Arvin, M. (2007). The field of stability of blue jadeite: a new occurrence of jadeitite at Sorkhan, Iran, as a case study. The Canadian Mineralogist, 45(6), 1501-1509.
Italy
 
  • Aosta Valley
    • Lys Valley
Ch. Robert et al. , Bull. Minéral. , 1985, 108, pp. 699-711.
    • Pont-Saint-Martin
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.
    • Saint-Marcel
Kienast, J.R. & Martin, S. (1983): I pirosseni egirin-giadeitici del livello basale di Praborna, Alpi occidentali. Ofioliti, 8(2), 245-260.
[var: Chrome-Omphacite] Martin, S, Godard, G., Rebay, G. (2004): The subducted Tethys in the Aosta Valley (Italian western Alps). The 32nd international geological Congress, Field trip Guide Book B-02, 48 pp
  • Liguria
    • Genova Province
      • Genova
        • Voltri
          • Vara Valley
      • Tiglieto
Marchesini, M. & Poggi, E. (2014). I minerali di Badia di Tiglieto (Genova). Rivista Mineralogica Italiana, 38, 74-95.
    • Savona Province
      • Sassello
        • Piampaludo
Antofilli, Borgo, Palenzona, 1985. I nostri minerali. Geologia e mineralogia in Liguria. Edizioni Melita, La Spezia.
  • Piedmont
    • Biella Province
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, 607 pag.
    • Cuneo Province
      • Po Valley
        • Monviso
Messiga et al. : "Cr-rich Magnesiochloritoid Eclogites from the Monviso ophiolites (Western Alps Italy)", Journal of Metamorphic Geology, Vol 17, Issue 3, p. 287, May 1999.
      • Varaita Valley
T. Hirajima and R. Compagnoni : "Petrology of a jadeite-quartz-almandine-phengite fels with retrograde ferro-nyböite from the Dora-Maira Massif, Western Alps", Eur. Journ. Mineral., 1993, 5, pp 943-955.
        • Sampeyre
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.
      • Vermenagna Valley
        • Vernante
          • Val Grande
Colombo F., Compagnoni R., Lombardo B. (1994): Le rocce eclogitiche dei Laghi del Frisson (Argentera sud-orientale, Alpi Marittime). Atti Tic. Sci. Terra, Serie speciale, 1, 75-82; Piccoli G.C. (2002): Minerali delle Alpi Marittime e Cozie Provincia di Cuneo. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 366 pp.; Piccoli G.C., Maletto G., Bosio P., Lombardo B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp.; Ferrando S., Lombardo B., Compagnoni R. (2008): Metamorphic history of HP mafic granulites from the Gesso-Stura Terrain (Argentera Massif, Western Alps, Italy). Eur. J. Mineral., 20, 777-790.
    • Torino Province
      • Canavese District
        • Cuorgnè
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.
        • Malone Valley
Eur. J. Mineral. , 1989, 1, pp. 89-104.
Eur. J. Mineral. , 1989, 1, pp. 89-104.
Eur. J. Mineral (1989): 1: 89-104.
          • Rocca Canavese
Eur. J. Mineral. , 1989, 1, pp. 89-104.
Eur. J. Mineral (1989): 1: 89-104.
Eur. J. Mineral. , 1989, 1, pp. 89-104.
Ch. Robert et al. , Bull. Minéral. , 1985, 108, pp. 699-711.
        • Quincinetto
      • Lanzo Valleys
        • Ala Valley
          • Ala di Stura
Leardi, L., and Rossetti, P. (1985): Caratteri geologici e petrografici delle metaofioliti della Val d'Ala. Boll. Ass. Min. Subalp., 22, 422-439.
[var: Chrome-Omphacite] Sulla clinozoisite di Chiampernotto in Val d'Ala. Boll. R. Com. Geol. Ital., 47, 65-99.
Eur. J. Mineral. , 1989, 1, pp. 89-104.
Eur. J. Mineral. , 1989, 1, pp. 89-104.
Japan
 
  • Honshu Island
    • Chubu Region
      • Niigata Prefecture
[MinRec 33:168]; Shi, G., Harlow, G. E., Wang, J., Wang, J., Ng, E., Wang, X., ... & Cui, W. (2012). Mineralogy of jadeitite and related rocks from Myanmar: a review with new data. European Journal of Mineralogy, 24(2), 345-370.
Fossa Magna Museum specimens
Ohe Rikosha specimens
          • Ohmi
            • Hashidate
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Alluvial cobbles in innumerable collections; common.
    • Chugoku region
      • Okayama prefecture
        • Niimi City
Shi, G., Harlow, G. E., Wang, J., Wang, J., Ng, E., Wang, X., ... & Cui, W. (2012). Mineralogy of jadeitite and related rocks from Myanmar: a review with new data. European Journal of Mineralogy, 24(2), 345-370.
  • Shikoku Island
    • Ehime prefecture
      • Niihama City
        • Besshi
          • Sebadani
Naohito Kishira, Akira Takasu and Md. Fazle Kabir(2013):Modes of occurrence and chemical compositions of amphiboles. in eclogite from the northeastern part of the Seba eclogitic basic schists in the Sambagawa metamorphic belt, central Shikoku, Japan. Geoscience Rept. Shimane Univ.,vol 32, pp33-42
      • Shikokuchuo City
        • Doi
japanese collector labels
Lesotho
 
  • Butha-Buthe District
American Mineralogist (1968): 53: 1833-1840.
Mexico
 
  • Baja California Sur (BC Sur)
    • Mun. de Mulegé
      • Vizcaíno Peninsula
        • Sierra San Andres
Mikhail Ostrooumov and Alfredo Victoria Morales (2010) Mexican jadeite-bearing rock: a first mineralogical and gemmological approach. The Journal of Gemmology, Vol. 32, No. 1–4.
New Caledonia
AmMin 55:512
  • Northern Province
Clarke, G. L., Aitchison, J. C., & Cluzel, D. (1997). Eclogites and blueschists of the Pam Peninsula, NE New Caledonia: a reappraisal. Journal of Petrology, 38(7), 843-876.
Nigeria
 
  • Katsina State
Langenhorst, F. and Poirier, J.-P. (2000b): ‘Eclogitic’ minerals in a shocked basaltic meteorite. Earth Planet. Sci. Lett. 176, 259-265.
Norway
 
  • Møre og Romsdal
    • Haram
Carswell, D. A., Brueckner, H. K., Cuthbert,S. J., Mehta, K. and O'Brien, P. J. (2003): The timing of stabilisation and the exhumation rate for ultra-high pressure rocks in the Western Gneiss Region of Norway. Journal of Metamorphic Geology. 21: 601–612
    • Ulstein
      • Hareidland
[Clark, 1993 - "Hey's Mineral Index"]
      • Ulsteinvik
Carswell et al.(2003): The timing of stabilisation and the exhumation rate for ultra-high pressure rocks in the Western Gneiss Region of Norway. Journal of Metamorphic Geology. 21, 601-612
  • Sogn og Fjordane
    • Askvoll
Svensen, H., Jamtveit, B., Banks, D.A. & Austrheim, H.(2001): Halogen contents of eclogite facies fluid inclusions and minerals: Caledonides, western Norway. Journal of metamorphic Geology, 19, 165-178
    • Førde
      • Kvineset
Krogh, E.J. (1980): Geochemistry and petrology of glaucophane-bearing eclogites and associated rocks from Sunnfjord, Western Norway. Lithos. 13, 355-380.
    • Naustdal
Binns, R.A. 1967: Barroisite-bearing eclogite from Naustdal, Sogn og Fjordane, Norway. Journal of Petrology, 8, 349-371
Svensen, H., Jamtveit, B., Banks, D.A. & Austrheim, H.(2001): Halogen contents of eclogite facies fluid inclusions and minerals: Caledonides, western Norway. Journal of metamorphic Geology, 19, 165-178
    • Nordfjord
Svensen, H., Jamtveit, B., Banks, D.A. & Austrheim, H.(2001): Halogen contents of eclogite facies fluid inclusions and minerals: Caledonides, western Norway. Journal of metamorphic Geology, 19, 165-178
Ungaretti, L., Smith, D.C. (1981): Crystal-chemistry by x-ray structure refinement and electron microprobe analysis of a series of sodic-calcic to alkali-amphiboles from the Nybö eclogite pod, Norway. Bulletin Société Française de Minéralogie et de Cristallographie. 104: 400–412
Carswell, D. A., Brueckner,H. K.,Cuthbert, S. J.,Mehta, K. & O'Brien,P. J. (2003): The timing of stabilisation and the exhumation rate for ultra-high pressure rocks in the Western Gneiss Region of Norway. Journal of Metamorphic Geology. 21, 601-612
    • Selje
Wikström, A. (1970): Electron micro-probe studies of the alteration of omphacite in eclogites from the Nordfjord area, Norway. Norsk Geologisk Tidsskrift 50, 136-155
      • Nordpollen
Carswell, D. A., Brueckner,H. K.,Cuthbert, S. J.,Mehta, K. & O'Brien,P. J. (2003): The timing of stabilisation and the exhumation rate for ultra-high pressure rocks in the Western Gneiss Region of Norway. Journal of Metamorphic Geology. 21, 601-612.
Carswell, D. A., Brueckner,H. K.,Cuthbert, S. J.,Mehta, K. & O'Brien,P. J. (2003): The timing of stabilisation and the exhumation rate for ultra-high pressure rocks in the Western Gneiss Region of Norway. Journal of Metamorphic Geology. 21, 601-612.
    • Stryn
Collection of Atle Michalsen
      • Strynefjellet
        • Raudenova
Nordrum, F.S. (2006): Nyfunn av mineraler i Norge 2005-2006. Norsk Bergverksmuseum Skrift. 33: 56-62 ; Garmo, T. T. (2013): Observasjonar frå det norske "Eklogitt-landet". Stein. 40 (4), 4-13
    • Vågsøy
      • Bryggja
Green, D.H. & Mysen, B.O. (1972): Genetic relationship between eclogite and hornblende-plagioclase pegmatite in western Norway. Lithos 5, 147-161
David J. Eicher photo & specimen
        • Almenningen
Garmo, T. T. (2013): Observasjonar frå det norske "Eklogitt-landet". Stein. 40 (4), 4-13
  • Svalbard
    • Spitsbergen
      • Oscar II land
Kanat, L. H. (1984): Jadeite from southern Oscar II Land, Svalbard. Mineralogical Magazine. 48: 30l-303
  • Troms
    • Tromsø
Bøe, P. (1997): Eklogittfjellet Tromsdalstind. STEIN 24 (2), 48-49
Pakistan
 
  • Khyber Pakhtunkhwa (North-West Frontier Province)
    • Mansehra District
      • Kaghan valley
        • Naran
Eur. J. Mineral. , 1991, 3, pp. 613-618.
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Sowie Góry Block
      • Świdnica District
Grzegorz Słowik collection
  • Małopolskie
    • Olkusz District
Ref.: Kucha H., Jędrzejczyk B. 1995: Primary minerals of mining and metallurgical Zn-Pb dumps at Bukowno, Poland, and their stability during weathering. Mineralogia Polonica, vol. 26, No 2, 75-99
Russia
 
  • Eastern-Siberian Region
    • Khakassia Republic (Khakassy Republic; Khakassiya Republic)
Shi, G., Harlow, G. E., Wang, J., Wang, J., Ng, E., Wang, X., ... & Cui, W. (2012). Mineralogy of jadeitite and related rocks from Myanmar: a review with new data. European Journal of Mineralogy, 24(2), 345-370.
    • Sakha Republic (Saha Republic; Yakutia)
[World of Stones 12:49]
      • Daldyn-Alakit kimberlite field
        • Alakit-Markha
Sobolev, N. V., Logvinova, A. M., Zedgenizov, D. A., Yefimova, E. S., Taylor, L. A., Promprated, P., ... & Zinchuk, N. N. (2003). Mineral inclusions in diamonds from Komsomolskaya and Krasnopresnenskaya pipes, Yakutia: Evidence for deep lithospheric heterogeineties in Siberian craton [ext. abs.]. In 8th International Kimberlite Conference, Extented Abstracts Vol., FLA0141.
Zinchuk, N.N., and Koptil, V.I. (2007): Geology of Ore Deposits 49(4), 308-317.
        • Daldyn
http://www.geology.utoronto.ca/faculty/schulze/eclogite.table.1.html
      • Mirny
Argunov, K. P., 1990, Inclusions of potassic phases, coesite and omphacite in a coated diamond crystal from the Mir pipe: Dokl. Akad. Nauk SSSR, v. 310, p. 129-140.
Sobolev, N., Kaminsky, F., Griffin, W., Yefimova, E., Win, T., Ryan, C., and Botkunov, A. (1997) Mineral inclusions in diamonds from the Sputnik kimberlite pipe, Yakutia. Lithos: 39: 135-157.
Slovenia
 
Franz Bernhard, 2005
South Africa
 
  • Free State Province
    • Lejweleputswa District
      • Boshof
Am Min 62:828-830
Switzerland
 
  • Ticino (Tessin)
    • Riviera
      • Bellinzona
        • Gorduno
Journal of Metamorphic Geology, Volume 20 Issue 5 Page 481 - June 2002
  • Wallis (Valais)
    • Zermatt - Saas Fee area
      • Saas Valley
        • Saas Almagell
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 290.
Tanzania
 
  • Kilimanjaro Region
    • Mt Kilimanjaro
      • Longido
        • Muriatata hills
Yang, Xiao-wen; Zhang, Liang-ju; Jia, Zong-yong (2012): Mineral composition characters and prospect of Longido red corundum deposit in Tanzania. Guilin Ligong Daxue Xuebao 32, 173-178 (in Chinese).
Turkey
 
  • Central Anatolia Region
    • Eskişehir Province
      • Tavşanlı Zone
Davis, P.B., and Whitney, D.L. (2006): Journal of Metamorphic Geology 24(9), 823-849.
  • Marmara Region
    • Balikesir Province
Turkish J. Earth Sci. 9:47-56 (2000)
        • Bayramiç
Turkish Journal of Earth Sciences, Vol. 9, 2000, pp. 47-56.
UK
 
  • Scotland
    • North West Highlands
      • Glenelg
        • Glen Beag
Paul Render
Paul Render
      • Lochalsh
        • Dornie
Paul Render
Paul Render
USA
 
  • Arizona
    • Apache Co.
      • Navajo Indian Reservation
        • Monument Valley
          • Dinnehotso
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 102, 260, 318; Watson, K.D. & D.M. Morton (1969), Eclogite inclusions in kimberlite pipes at Garnet Ridge, northeastern AZ, Am.Min.: 54: 267-285.
  • California
    • Marin Co.
      • Tiburon Peninsula
        • Tiburon Uplands Nature Preserve
    • San Benito Co.
      • Diablo Range
        • New Idria District
          • Picacho Peak
T. Tsujimori et al., Paper N° 21-6, The Geological Society of America, Joint Meeting Cordilleran Section and Pacific Section, 101st Annual Meeting, 29 April-1 May 2005, San Jose, California.
Essene, E.J. and W.S. Fyfe (1967) Omphacite in California metamorphic rocks. Contributions to Mineralogy and Petrology: 15: 8; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 393.
    • Sonoma Co.
      • Coast Range
        • Cazadero
Essene, E.J. and W.S. Fyfe (1967) Omphacite in California metamorphic rocks. Contributions to Mineralogy and Petrology: 15, 23 pp.: 4; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 394.
        • Occidental
Coleman, R.G., D.E. Lee, L.B. Beaty & W.W. Bannock (1965), Eclogites and eclogites: their differences and similarities: Geological Society of America Bulletin: 76: 489; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 484.
        • Russian River District
          • Jenner
Essene, E.J. and W.S. Fyfe (1967) Omphacite in California metamorphic rocks. Contributions to Mineralogy and Petrology: 15, 23 pp.: 5; Champness, P.E. (1973), Speculation on an order-disorder transformation in omphacite: American Mineralogist: 58: 540-542; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 393; http://geology.about.com/library/bl/images/bleclogite.htm
      • Healdsburg
        • Mill Creek Road
Switzer, George S. (1945), Eclogite from the California glaucophane schists: American Journal of Science: 243: 2; Switzer, George S. (1951b) Mineralogy of the California glaucophane schists. California Division of Mines and Geology Bulletin 161: 56-57; Coleman, R.G., D.E. Lee, L.B. Beaty & W.W. Bannock (1965), Eclogites and eclogites: their differences and similarities: Geological Society of America Bulletin: 76: 489; Edgar, A.D., A. Mottana, and N.D. MacRae (1969) The chemistry of cell parameters of omphacite and related pyroxenes. Mineralogical Magazine: 37: 64, 67-68; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 404.
Armstrong, L.S., Page, F. Zeb, and Essene, E.J. (2004), Two Generations of Sphene in One Garnet from a Franciscan Eclogite, Healdsburg, California; 2004 Denver Annual Meeting (November 7–10, 2004) Geological Society of America Paper No. 50-9.
      • Mayacmas Mts (Mayacamas Mts)
        • West Mayacmas District
          • Cloverdale
            • North of Cloverdale
Essene, E.J. and W.S. Fyfe (1967) Omphacite in California metamorphic rocks. Contributions to Mineralogy and Petrology: 15, 23 pp.: 4; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 393.
      • Valley Ford
Coleman, R.G., D.E. Lee, L.B. Beaty & W.W. Bannock (1965), Eclogites and eclogites: their differences and similarities: Geological Society of America Bulletin: 76: 487; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 394.
  • Colorado
    • Larimer Co.
Minerals of Colorado (1997) Eckels, E. B.
  • Maryland
    • Montgomery Co.
      • Rockville
David Schoeberlein Collection
  • North Carolina
    • Haywood Co.
Anderson,Eric Douglas and Moecher,David P, (2009) Formation Of High-Pressure Metabasites In The Southern Appalachian Blue Ridge via Taconic Continental Subduction Beneath The Laurentian Margin: Tectonic Vol 28 (5) October
    • Mitchell Co.
      • Bakersville
J.Metamorphic Geol.(2003) 21:685-698
J.Metamorphic Geol.(2003) 21:685-698
    • Watauga Co.
      • Zionville
Anderson,Eric Douglas and Moecher, David P. (2009) Formation Of High -Pressure Metabasites In The Southern Appalachian Blue Ridge via Taconic Continental Subduction Beneath The Laurentian Margin: Tectonic Vol. 28 (5) October
  • Oregon
    • Coos Co.
Robert Muir Wood (1982) The Laytonville Quarry (Mendocino County California) Exotic Block: Iron-rich Blueschist-Facies Subduction-Zone Metamorphism. Mineralogical Magazine 45:87-99.
  • Vermont
Rocks & Min. Vol. 71, (1996)
    • Orleans Co.
Rocks & Min. Vol. 71, (1996)
  • Washington
    • Okanogan Co.
      • Colville Indian Reservation
Cannon, B. (1975): Minerals of Washington, p.39
    • Skagit Co.
      • Hamilton
Karl Volkman Collection; Bart Cannon Identification
Venezuela
 
  • Bolívar
Canadian Mineralogist (2000) Vol. 38, pp. 1347-137
  • Nueva Esparta
    • Margarita Island
Journal of Petrology (1981) Volume 22; Number 3; Pages 337-362; Handbook of Mineralogy
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2015, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: August 1, 2015 10:49:30 Page generated: August 1, 2015 06:50:07