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Tellurium

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Formula:
Te
System:
Hexagonal
Colour:
Tin-white
Hardness:
2 - 2½
Name:
for the Latin name of planet earth, "tellus".

Classification of Tellurium

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
1.CC.10

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
C : Metalloids and Nonmetals
C : Sulfur-selenium-iodine
Dana 7th ed.:
1.3.3.2
1.3.4.2

1 : NATIVE ELEMENTS AND ALLOYS
3 : Semi-metals and non-metals
1.54

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
mindat.org URL:
http://www.mindat.org/min-3906.html
Please feel free to link to this page.

First Recorded Occurrence of Tellurium

Year of Discovery:
1802

Physical Properties of Tellurium

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Tin-white
Streak:
Grey
Hardness (Mohs):
2 - 2½
Tenacity:
Brittle
Cleavage:
Perfect
Perfect on {1010}, imperfect on {0001}
Density:
6.1 - 6.3 g/cm3 (Measured)    6.225 g/cm3 (Calculated)

Crystallography of Tellurium

Crystal System:
Hexagonal
Cell Parameters:
a = 4.4572Å, c = 5.929Å
Ratio:
a:c = 1 : 1.33
Unit Cell Volume:
V 102.01 ų (Calculated from Unit Cell)
Z:
3
Morphology:
Prismatic and acicular crystals

Crystallographic forms of Tellurium

Crystal Atlas:
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Click on an icon to view
Tellurium no.2 - Goldschmidt (1913-1926)
Tellurium no.5 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

Toggle
Edge Lines | Miller Indicies | Axes

Transparency
Opaque | Translucent | Transparent

View
Along a-axis | Along b-axis | Along c-axis | Start rotation | Stop rotation
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Tellurium

Type:
Anisotropic
Anisotropism:
Fairly strong
Colour in reflected light:
white
Pleochroism:
Weak

Chemical Properties of Tellurium

Formula:
Te
Essential elements:
All elements listed in formula:
Common Impurities:
Se,Fe,Bi,S

Relationship of Tellurium to other Species

1.1CopperCu
1.2SilverAg
1.5GoldAu
1.6AuricuprideCu3Au
1.7Tetra-auricuprideAuCu
1.8ZincZn
1.9CadmiumCd
1.10DanbaiteCuZn2
1.11ZhanghengiteCuZn
1.12MercuryHg
1.13KolymiteCu7Hg6
1.14MoschellandsbergiteAg2Hg3
1.15EugeniteAg11Hg2
1.16SchachneriteAg1.1Hg0.9
1.17ParaschachneriteAg3Hg2
1.18LuanheiteAg3Hg
1.19Weishanite(Au,Ag)3Hg2
1.20IndiumIn
1.21AluminiumAl
1.22Khatyrkite(Cu,Zn)Al2
1.23Cupalite(Cu,Zn)Al
1.24DiamondC
1.25GraphiteC
1.26ChaoiteC
1.27LonsdaleiteC
1.28SiliconSi
1.29TinSn
1.30LeadPb
1.31AnyuiiteAu(Pb,Sb)2
1.31NovodnepriteAuPb3
1.32LeadamalgamPb0.7Hg0.3
1.33ArsenicAs
1.34ArsenolampriteAs
1.35PaxiteCuAs2
1.36KoutekiteCu5As2
1.37DomeykiteCu3As
1.38Algodonite(Cu1-xAsx)
1.39NovákiteCu20AgAs10
1.40KutinaiteAg6Cu14As7
1.41AntimonySb
1.42StibarsenAsSb
1.43ParadocrasiteSb3As
1.44HorsforditeCu, Sb
1.45CuprostibiteCu2(Sb,Tl)
1.46Allargentum(Ag1-xSbx)
1.47AurostibiteAuSb2
1.48DyscrasiteAg3Sb
1.49BismuthBi
1.50MaldoniteAu2Bi
1.51SulphurS8
1.52RosickýiteS
1.53SeleniumSe
1.55ChromiumCr
1.56RheniumRe
1.57IronFe
1.58ChromferideFe3Cr1-x (x=0.6)
1.59FerchromideCr3Fe1-x
1.60WairauiteCoFe
1.61NickelNi
1.62Kamacite(Fe,Ni)
1.63Taenite(Fe,Ni)
1.64TetrataeniteFeNi
1.65AwaruiteNi3Fe
1.66Palladium(Pd,Pt)
1.67PotaritePdHg
1.68PaolovitePd2Sn
1.69Stannopalladinite(Pd,Cu)3Sn2
1.70CabriitePd2CuSn
1.71Taimyrite-I(Pd,Cu,Pt)3Sn
1.72Atokite(Pd,Pt)3Sn
1.73Rustenburgite(Pt,Pd)3Sn
1.74Zvyagintsevite(Pd,Pt,Au)3(Pb,Sn)
1.75PlumbopalladinitePd3Pb2
1.76Osmium(Os,Ir,Ru)
1.77Iridium(Ir,Os,Ru)
1.82PlatinumPt
1.83HongshiitePtCu
1.84NiggliitePtSn
1.85IsoferroplatinumPt3Fe
1.86TetraferroplatinumPtFe
1.87TulameenitePt2CuFe
1.88FerronickelplatinumPt2FeNi
1.89Rhodium(Rh,Pt)

Other Names for Tellurium

Name in Other Languages:
Afrikaans:Telluur
Armenian:Տելուր
Azeri:Tellur
Basque:Telurio
Belarusian:Тэлур
Bosnian (Latin Script):Telurijum
Bulgarian:Телур
Catalan:Tel·luri
Corsican:Telluriu
Croatian:Telurij
Czech:Tellur
Danish:Tellur
Dutch:Telluur
Esperanto:Teluro
Estonian:Telluur
Finnish:Telluuri
French:Tellure
Friulian:Teluri
Galician:Telurio
Hebrew:טלור
Hungarian:Tellúr
Icelandic:Tellúr
Indonesian:Telurium
Irish Gaelic:Teallúiream
Italian:Tellurio
Javanese:Telurium
Korean:텔루륨
Latvian:Telūrs
Lithuanian:Telūras
Lojban:tedjicmu
Low Saxon:Tellur
Luxembourgish:Tellur
Norwegian (Bokmål):Tellur
Norwegian (Nynorsk):Tellur
Occitan:Telluri
Polish:Tellur
Portuguese:Telúrio
Quechua:Teluryu
Romanian:Telur
Russian:Теллур
Serbian (Cyrillic Script):Телур
Serbo-Croatian:Telur
Sicilian:Telluriu
Simplified Chinese:自然碲
Slovak:Telúr
Slovenian:Telur
Spanish:Telurio
Swahili:Teluri
Swedish:Tellur
Turkish:Tellür
Ukrainian:Телур
Uzbek (Latin Script):Tellur
Vietnamese:Telua

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 Tellurium

Reference List:
Von Reichenstein, F.J.M. (1783): Versuche mit dem in der Grube Mariahilf in dem Gebirge Fazeby bey Zalathna vorkommenden vermeinten gediegenen Spiesglanzkönig, Physikalische Arbeiten der einträchtigen Freunde in Wien, 1.Quartal 1783, 63-69

Klaproth, M.H. (1802): Chemische Untersuchung der siebenbürgischen Golderze, A. Gediegen Tellur. Beiträge zur chemischen Kenntniss der Mineralkörper, Dritter Band, Rottmann Berlin, 2-15

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 834pp.: 138-139.

Acta Crystallographica (1967): 23: 670-671.

Internet Links for Tellurium

Specimens:
The following Tellurium specimens are currently listed for sale on minfind.com.

Localities for Tellurium

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.
Mineral and/or Locality  
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