LIVE REPORT! The 46th Annual Friends of Mineralogy Pacific Northwest Chapter Mineral Symposium - last updated 0 minutes ago. Click here to watch.
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Emmonsite

This page is currently not sponsored. Click here to sponsor this page.
04811900014946272402816.jpg
Emmonsite

Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico
06306280014977346388601.jpg
Emmonsite

Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico
02923290014950971361054.jpg
Emmonsite

Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico
04811900014946272402816.jpg
Emmonsite

Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico
04387030014951858371836.jpg
Emmonsite

Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico
02923290014950971361054.jpg
Emmonsite

Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico
09902960014946272461360.jpg
Emmonsite

Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico
06306280014977346388601.jpg
Emmonsite

Moctezuma Mine, Moctezuma, Moctezuma Municipality, Sonora, Mexico
Hide all sections | Show all sections

About EmmonsiteHide

09420760014946272466511.jpg
Samuel Franklin Emmons
Formula:
Fe3+2(TeO3)3 · 2H2O
Colour:
Yellowish-green; light yellow-green in transmitted light.
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
4.52 - 4.55
Crystal System:
Triclinic
Name:
For American economic geologist, Samuel Franklin Emmons (1841-1911), U.S. Geological Survey.
This page provides mineralogical data about Emmonsite.


Classification of EmmonsiteHide

IMA status:
Approved, 'Grandfathered' (first described prior to 1959)
Strunz 8th ed.:
4/K.09-30
Nickel-Strunz 10th (pending) ed.:
4.JM.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
M : Tellurites without additional anions, with H2O
Dana 8th ed.:
34.3.3.1

34 : SELENITES, TELLURITES AND SULFITES
3 : A2(XO3)3·xH2O
Hey's CIM Ref.:
28.3.21

28 : Selenites, Selenates, Tellurites, and Tellurates
3 : Tellurites

Pronounciation of EmmonsiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of EmmonsiteHide

Lustre:
Vitreous
Transparency:
Translucent
Colour:
Yellowish-green; light yellow-green in transmitted light.
Hardness:
5 on Mohs scale
Cleavage:
Perfect
On {010}, perfect plus 2 unequal cleavages inclined relative to it, making plane angles of 85° and 95° in {010}.
Density:
4.52 - 4.55 g/cm3 (Measured)    4.719 g/cm3 (Calculated)

Optical Data of EmmonsiteHide

Type:
Biaxial (-)
RI values:
nα = 1.962 nβ = 2.090 nγ = 2.100 - 2.120
2V:
Measured: 23° , Calculated: 28° to 48°
Max Birefringence:
δ = 0.138 - 0.158
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
relatively strong r > v
Pleochroism:
Weak

Chemical Properties of EmmonsiteHide

Formula:
Fe3+2(TeO3)3 · 2H2O
IMA Formula:
Fe3+2(Te4+O3)3 · 2H2O
Elements listed:
Fe, H, O, Te - search for minerals with similar chemistry

Crystallography of EmmonsiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.90(1) Å, b = 8.00(1) Å, c = 7.62(1) Å
α = 96.73°, β = 95°, γ = 84.47°
Ratio:
a:b:c = 0.988 : 1 : 0.953
Unit Cell V:
474.64 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Radially-configured or lichen-like groups of rough, acicular crystals; druses of thin scales; compact microcrystalline masses. Fibrous crusts with a small botryoidal surface to isolated globular aggregates.
Twinning:
Observed in microscopic crystals (Goldfield, Nevada).

Type Occurrence of EmmonsiteHide

Synonyms of EmmonsiteHide

Other Language Names for EmmonsiteHide

German:Emmonsit
Spanish:Emmonsita

Common AssociatesHide

Associated Minerals Based on Photo Data:
14 photos of Emmonsite associated with Schmitterite(UO2)(TeO3)
8 photos of Emmonsite associated with MackayiteFe3+(Te4+2O5)(OH)
6 photos of Emmonsite associated with MoctezumitePb(UO2)(TeO3)2
5 photos of Emmonsite associated with SonoraiteFe3+(TeO3)(OH) · H2O
5 photos of Emmonsite associated with QuartzSiO2
3 photos of Emmonsite associated with ParatelluriteTeO2
3 photos of Emmonsite associated with BromargyriteAgBr
2 photos of Emmonsite associated with CuzticiteFe3+2(TeO6) · 3H2O
2 photos of Emmonsite associated with PoughiteFe3+2(TeO3)2(SO4)(H2O)2 · H2O
2 photos of Emmonsite associated with WinstanleyiteTiTe4+3O8

Related Minerals - Nickel-Strunz GroupingHide

4.JM.05KeystoneiteMg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2OHex.
4.JM.05KinichiliteMg0.5Mn2+Fe3+(Te4+O3)3 · 4.5H2OHex. 6/m : P63/m
4.JM.05ZemanniteMg0.5ZnFe3+(Te4+O3)3 · 4.5H2OHex. 6/m : P63/m
4.JM.10BlakeiteFe3+2[TeO3]3 (?)
4.JM.15GraemiteCu[TeO3] · H2OOrth. mmm (2/m 2/m 2/m) : Pmma
4.JM.20TeineiteCu2+(Te4+O3) · 2H2OOrth. mmm (2/m 2/m 2/m)

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

28.3.1BalyakiniteCu(TeO3)Orth.
28.3.2RajiteCu(Te4+2O5)Mon. 2/m : P21/b
28.3.3GraemiteCu[TeO3] · H2OOrth. mmm (2/m 2/m 2/m) : Pmma
28.3.4TeineiteCu2+(Te4+O3) · 2H2OOrth. mmm (2/m 2/m 2/m)
28.3.5CesbroniteCu2+3Te6+O4(OH)4Orth. mmm (2/m 2/m 2/m) : Cmcm
28.3.6MroseiteCaTe4+(CO3)O2Orth. mmm (2/m 2/m 2/m) : Pbca
28.3.7QuetzalcoatliteZn6Cu3(TeO6)2(OH)6 · AgxPbyClx+2yTrig. 3m (3 2/m) : P3m1
28.3.8ZemanniteMg0.5ZnFe3+(Te4+O3)3 · 4.5H2OHex. 6/m : P63/m
28.3.9KinichiliteMg0.5Mn2+Fe3+(Te4+O3)3 · 4.5H2OHex. 6/m : P63/m
28.3.10Denningite(Mn2+,Ca,Zn)Te4+2O5Tet.
28.3.11SpiroffiteMn2+2Te4+3O8Mon. 2/m : B2/b
28.3.12WinstanleyiteTiTe4+3O8Iso. m3 (2/m 3) : Ia3
28.3.13FairbankitePb(TeO3)Tric.
28.3.14PlumbotelluritePb(TeO3)Orth.
28.3.15Choloalite(Cu,Sb)3(Pb,Ca)3(TeO3)6ClIso. 4 3 2 : P41 3 2
28.3.16SmirniteBi2Te4+O5Orth. mm2
28.3.17ChekhovichiteBi2Te4+4O11Mon. 2/m
28.3.18Cliffordite(UO2)Te4+3O7Iso. m3 (2/m 3) : Pa3
28.3.19Schmitterite(UO2)(TeO3)Orth.
28.3.20MoctezumitePb(UO2)(TeO3)2Mon.
28.3.22BlakeiteFe3+2[TeO3]3 (?)
28.3.23MackayiteFe3+(Te4+2O5)(OH)Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
28.3.24PoughiteFe3+2(TeO3)2(SO4)(H2O)2 · H2OOrth.
28.3.25SonoraiteFe3+(TeO3)(OH) · H2OMon.
28.3.26RodalquilariteFe2(TeO2OH)3(TeO3)ClTric. 1 : P1
28.3.27EztlitePb2+2Fe3+3(Te4+ O3)3(SO4)O2ClMon. m : Bm
28.3.28KeystoneiteMg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2OHex.

Other InformationHide

Notes:
Readily soluble in strong acids.
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 EmmonsiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hillebrand, W.F. (1885), Emmonsite, a ferric tellurite, Proceedings Colorado Sci. Soc.: 2: 20-23.
Dana and Wells (1890) American Journal of Science: 40: 78 (as Durdenite).
Schaller in: Hillebrand (1904) American Journal of Science: 18: 433
Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 71.
Larsen, E.S. and Berman, H. (1934) The Microscopic Determination of the Nonopaque Minerals, Second edition, USGS Bulletin 848: 208.
Frondel, C. & F.H. Pough (1944): Two new tellurites of iron: Mackayite and blakeite, with new data on emmonsite and durdenite. American Mineralogist: 29: 211-225.
Mineralogical Record: 3: 82-84.
Proceedings of the Colorado Scientific Society: 2: 20-23.
Proceedings of the Colorado Scientific Society: 2: 45-46.
Tschermaks Mineralogische und Petrographische Mitteilungen: 18: 3, 157-168.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 640-641.

Internet Links for EmmonsiteHide

Localities for EmmonsiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • Western Australia
    • Kalgoorlie-Boulder Shire
      • Kalgoorlie-Boulder
http://www.portergeo.com.au/database/mineinfo.asp?mineid=mn082 / Spencer, L.J. (1903), Mineralogical Notes on Western Australian Tellurdies, Feb 1903, 13, pp268-290
Simpson, E.S. (1948), Minerals of Western Australia, Vol 2, pp 231, 1948
Simpson, E.S. (1948), Minerals of Western Australia, Vol 2, pp 231, 1948
Chile
 
  • Coquimbo
    • Elqui Province
      • El Indio deposit
Llaumet C./Henríquez F. (1976); "Faja de mineralización de oro, plata, cobre y arsenico en la Cordillera Andina de la III y IV región"; Primero Congreso Geológico Chileno, Vol. II.
        • Tambo Mine
[AmMin 85:1324]; http://www.lrz-muenchen.de/~mineralogische-sammlungen-dmg/analysen/winstanleyit.htm; Back, M.E., Grice, J.D., Gault, R.A., Criddle, A.J. & Mandarino, J.A. (1999): Walfordite, a new tellurite from the Wendy open pit, El Indio - Tambo mining property, Chile. Canadian Mineralogist 37, 1261-1268.
China
 
  • Hebei
    • Zhangjiakou
      • Chongli Co.
Jiuling Li, Makovicky, E., Rose Hansen, J., Petersen, S.B., Feng Qi, Yanhe Cui, and Qingsheng Xu (2001): Geoscience 15(2), 189-196
Honduras
 
  • Francisco Morazán Department
    • Distrito Central
      • Tegucigalpa
        • Ojojona
Dana and Wells (1890) American Journal of Science: 40: 78; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 641.
Japan
 
  • Hokkaidō
    • Sapporo
島倉広至, 三浦貴生, 浜根大輔, 松枝大治, & 三浦裕行. (2015). 北海道手稲鉱山産 Te, Bi, As 鉱物. 北海道大学地球物理学研究報告, 78, 19-35.
  • Shizuoka
    • Shimoda City
      • Rendaiji
Matsubara, S. (2002) The Mineral Species of Japan, 5th edition (Kobutsu Joho); Dr. Yohachiro Okamoto collection (conserved by the Geological Survey of Japan)
Mexico
 
  • Sonora
    • Moctezuma Municipality
Lapis 2001(1), 11-40
Panczner(1987):108-336.
Lapis 2001(1), 11-40
Lapis 2001(1), 11-40
Spain
 
  • Andalusia
    • Almería
      • Cuevas del Almanzora (Cuevas de Vera)
        • Sierra Almagrera
          • Las Herrerías
Navarro, A., & Cardellach, E. (2009). Mobilization of Ag, heavy metals and Eu from the waste deposit of the Las Herrerias mine (Almería, SE Spain). Environmental geology, 56(7), 1389-1404.
      • Níjar
        • Rodalquilar
Sierra Lopez, J., Leal, G., Pierrot, R., Laurent, Y., Protas, J., Dusausoy, Y. (1968) La rodalquilarite, chlorotelurite de fer, une nouvelle espece minerale. Bulletin de la Société Française de Minéralogie et Cristalographie, 91, 28-33.
USA
 
  • Arizona
    • Cochise County
      • Contention-Grand Central Mine group
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 232.
www.azminerals.com
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 171; Williams, S.A. (1981a), Choloalite, CuPb(TeO3)2·H2O, a new mineral, Mineralogical Magazine: 44: 55-57.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 356, 375.
      • Silver Plume Mine (Emerald & Silver Plume Mine group)
Robert PECORINI collection
Hillebrand, W.F. (1885), Emmonsite, a ferric tellurite, Proceedings Colorado Sci. Soc.: 2: 20-23; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 641; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 232.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 212, 281; Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, AZ Geol. Soc. Digest: 3: 53-56.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 212, 389-390; Hillebrand, W.F. (1885), Emmonsite, a ferric tellurite, Proceedings Colorado Sci. Soc.: 2: 20-23; Williams, S.A. (1981b), Duhamelite, Cu4Pb2Bi(VO4)4(OH)3·8H2O, a new Arizona mineral, Mineralogical Magazine: 44: 151-152; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 67.
  • California
Larsen, Esper Signius (1917), Durdenite from California: American Mineralogist: 2: 45-46; Larsen, Esper Signius (1921), The microscopic determination of nonopaque minerals: USGS Bulletin 679, 294 pp.: 71; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 174; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 303.
  • Colorado
    • Teller Co.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 641; O'Donoghue (1976) "Encyclopedia of Minerals & Gemstones", 286.
Min Rec 36:2 pp143-185
Min Rec 36:2 pp143-185
Min Rec 36:2 pp143-185; USGS Professional Paper 54
  • Nevada
    • Esmeralda Co.
      • Diamondfield Mining District
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 641.
        • Goldfield
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
Rocks & Minerals, Nov. 1999
NBMG Spec. Pub. 31 Minerals of Nevada
    • Nye Co.
      • Halfpint Range
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Mexico
    • Catron Co.
      • Wilcox Mining District
        • Lone Pine Hill area
Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
    • Grant Co.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 641; Mineralogical Record: 3(2): 82.
Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
Minerals of New Mexico 3rd ed.
  • South Dakota
    • Lawrence Co.
      • Ruby Basin Mining District
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
      • Trojan Mining District
R&M 75:3 pp 156-169
  • Utah
    • Juab Co.
      • Tintic Mining District
        • Mammoth
Collected and analyzed by John Dagenais
    • Utah Co.
XRD analyzed by Dr. Rob Bowell.
Quick NavTopAbout EmmonsiteClassification Pronounciation Physical Properties Optical Data Chemical Properties Crystallography Type Occurrence SynonymsOther LanguagesCommon AssociatesNickel-StrunzHey's CIMOther InformationReferences Internet Links Localities Locality List
 
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: October 20, 2019 17:59:57 Page generated: October 13, 2019 10:13:16
Go to top of page