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Emmonsite

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Emmonsite

Moctezuma Mine, Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Emmonsite

Moctezuma Mine, Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Emmonsite

Moctezuma Mine, Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Emmonsite

Moctezuma Mine, Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Emmonsite

Moctezuma Mine, Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Emmonsite

Moctezuma Mine, Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Emmonsite

Moctezuma Mine, Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Emmonsite

Moctezuma Mine, Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Samuel Franklin Emmons
Formula:
Fe23+(Te4+O3)3 · 2H2O
System:
Triclinic
Colour:
Yellowish-green; light ...
Lustre:
Vitreous
Hardness:
5
Name:
For American economic geologist, Samuel Franklin Emmons (1841-1911), U.S. Geological Survey.
This page provides mineralogical data about Emmonsite.


Classification of Emmonsite

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

Physical Properties of Emmonsite

Lustre:
Vitreous
Diaphaneity (Transparency):
Translucent
Colour:
Yellowish-green; light yellow-green in transmitted light.
Hardness (Mohs):
5
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 Emmonsite

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 Emmonsite

IMA Formula:
Fe23+(Te4+O3)3 · 2H2O
Elements listed in formula:
Fe, H, O, Te - search for minerals with similar chemistry

Crystallography of Emmonsite

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 Volume:
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).

Occurrences of Emmonsite

Type Occurrence of Emmonsite

Type Locality:
Tombstone, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA
Associated Minerals at Type Locality:
Cerussite

Relationship of Emmonsite to other Species

Related Minerals - Nickel-Strunz Grouping):
4.JM.05KeystoneiteH0.8Mg0.8(Ni,Fe3+,Mn)2(Te4+O3)3 · 5H2O
4.JM.05KinichiliteMg0.5Mn2+Fe3+(Te4+O3)3 · 4.5H2O
4.JM.05ZemanniteMg0.5ZnFe3+(Te4+O3)3 · 4.5H2O
4.JM.10BlakeiteFe23+(Te4+O3)3
4.JM.15GraemiteCu2+Te4+O3 · H2O
4.JM.20TeineiteCu2+Te4+O3 · 2H2O
Related Minerals - Hey's Index Grouping:
28.3.1BalyakiniteCu2+Te4+O3
28.3.2RajiteCuTe24+O5
28.3.3GraemiteCu2+Te4+O3 · H2O
28.3.4TeineiteCu2+Te4+O3 · 2H2O
28.3.5CesbroniteCu5(Te4+O3)2(OH)6 · 2H2O
28.3.6MroseiteCaTe4+O2(CO3)
28.3.7QuetzalcoatliteCu32+Zn6Te26+O12(OH)6 · (Ag,Pb,◻)Cl
28.3.8ZemanniteMg0.5ZnFe3+(Te4+O3)3 · 4.5H2O
28.3.9KinichiliteMg0.5Mn2+Fe3+(Te4+O3)3 · 4.5H2O
28.3.10DenningiteCaMn2+Te44+O10
28.3.11SpiroffiteMn22+Te34+O8
28.3.12WinstanleyiteTiTe34+O8
28.3.13FairbankitePbTe4+O3
28.3.14PlumbotelluritePbTe4+O3
28.3.15Choloalite(Pb,Ca)3(Cu,Sb)3Te6O18Cl
28.3.16SmirniteBi23+Te4+O5
28.3.17ChekhovichiteBi23+Te44+O11
28.3.18ClifforditeUTe34+O9
28.3.19Schmitterite(UO2)Te4+O3
28.3.20MoctezumitePb(UO2)(Te4+O3)2
28.3.22BlakeiteFe23+(Te4+O3)3
28.3.23MackayiteFe3+Te24+O5(OH)
28.3.24PoughiteFe23+(Te4+O3)2SO4 · 3H2O
28.3.25SonoraiteFe3+Te4+O3(OH) · H2O
28.3.26RodalquilariteH3Fe23+(Te4+O3)4Cl
28.3.27EztlitePb2Fe63+(Te4+O3)3(Te6+O6)(OH)10 · 8H2O
28.3.28KeystoneiteH0.8Mg0.8(Ni,Fe3+,Mn)2(Te4+O3)3 · 5H2O

Other Names for Emmonsite

Synonyms:

Durdenite

Emmonsite (of Hillebrand)

Name in Other Languages:
German:Emmonsit
Spanish:Emmonsita

Other Information

Other Information:
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 Emmonsite

Reference List:
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 Emmonsite

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https://www.mindat.org/min-1377.html
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    Localities for Emmonsite

    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.
    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 Region
      • 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 Province
      • Zhangjiakou Prefecture
        • 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
     
    • Honshu Island
      • Chubu Region
        • Shizuoka Prefecture
          • 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
      • Mun. de Moctezuma
    Lapis 2001(1), 11-40
    Panczner(1987):108-336.
    Lapis 2001(1), 11-40
    Lapis 2001(1), 11-40
    Spain
     
    • Andalusia
      • Almería
        • Níjar
          • Rodalquilar
    		Sierra, J., Leal, G., Pierrot, R., Laurent, Y., Protas, J. y Dusausoy,Y. (1968). La rodalquilarite, chlorotelurite de fer, une nouvelle espece minerale. Bulletin de la Societe Francaise de Mineralogie et Cristalographie, 91, 28-33.
    USA
     
    • Arizona
      • Cochise Co.
        • Tombstone Hills
    		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.
            • 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.
    • 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 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 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 District
    		SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
        • Trojan District
    		R&M 75:3 pp 156-169
    • Utah
      • Juab Co.
        • East Tintic Mts
          • Tintic District
            • Mammoth
    		Collected and analyzed by John Dagenais
      • Utah Co.
        • East Tintic Mts
          • East Tintic District
    		XRD analzyed by Dr. Rob Bowell.
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