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Cadmium

A valid IMA mineral species - grandfathered
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About CadmiumHide

Formula:
Cd
Colour:
Tin-white with bluish tint
Lustre:
Metallic
Hardness:
1 - 2
Specific Gravity:
8.65
Crystal System:
Hexagonal
Name:
From the Greek calamine, as element occurs in ores smelted from calamine (smithsonite).
This page provides mineralogical data about Cadmium.


Unique IdentifiersHide

Mindat ID:
842
Long-form identifier:
mindat:1:1:842:4
GUID
(UUID V4):
2c135023-a29a-414b-ad55-ad9707eb9a29

IMA Classification of CadmiumHide

Approved, 'Grandfathered' (first described prior to 1959)
Approval year:
1979
First published:
1979

Classification of CadmiumHide

1.AB.05

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
B : Zinc-brass family
Dana 7th ed.:
1.1.9.1
1.1.5.2

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1.9

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
CdIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of CadmiumHide

Metallic
Transparency:
Opaque
Colour:
Tin-white with bluish tint
Hardness:
1 - 2 on Mohs scale
Tenacity:
Malleable
Density:
8.65 g/cm3 (Measured)    8.65 g/cm3 (Calculated)
Comment:
Measured on synthetic material

Chemistry of CadmiumHide

Mindat Formula:
Cd

Crystallography of CadmiumHide

Crystal System:
Hexagonal
Class (H-M):
6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:
P63/mmc
Setting:
P63/mmc
Cell Parameters:
a = 2.979 Å, c = 5.617 Å
Ratio:
a:c = 1 : 1.886
Unit Cell V:
43.17 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Microscopic grains to 0.2mm.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0011167CadmiumWyckoff R W G (1963) Second edition. Interscience Publishers, New York, New York Hexagonal closest packed, hcp, structure Crystal Structures 1 7-8319630293
0012941CadmiumJette E R, Foote F (1935) Precision determination of lattice constants Journal of Chemical Physics 3 605-6161935synthetic0298
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.81 Å(70)
2.58 Å(30)
2.35 Å(100)
1.90 Å(30)
1.52 Å(30)
1.49 Å(20)
1.32 Å(20)
1.26 Å(10)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
26 : Hadean detrital minerals
High-𝑇 alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])
Stage 4b: Highly evolved igneous rocks>3.0
37 : Layered igneous intrusions and related PGE minerals
Geological Setting:
Heavy mineral concentrates from gabbro, post magmatic activity in mineralized sandstones and dolomites.

Type Occurrence of CadmiumHide

General Appearance of Type Material:
Flattened grains, max. size 0.2 mm, with smooth surfaces.
Geological Setting of Type Material:
Found as microscopic grains in a heavy concentrate from a river in the Vilyui Drainage Basin, Russia; presumably weathered out of the Ust-Khannin intrusive gabbro.
Associated Minerals at Type Locality:
Reference:
Oleinikov, B.V., Okrugin, A.V., Leskova, N.V. (1979) Native cadmium in traps of the Siberian Platform. Doklady Akademii Nauk SSSR: 248: 1426-1428.

Synonyms of CadmiumHide

Other Language Names for CadmiumHide

Afrikaans:Kadmium
Albanian:Kadmiumi
Basque:Kadmio
Belarusian:Кадмій
Bosnian:Kadmijum
Catalan:Cadmi
Corsican:Cadmiu
Croatian:Kadmij
Czech:Kadmium
Danish:Cadmium
Dutch:Cadmium
Esperanto:Kadmio
Estonian:Kaadmium
Farsi/Persian:کادمیوم
Finnish:Kadmium
French:Cadmium
Friulian:Cadmi
Galician:Cadmio
Haitian:Kadmyòm
Hungarian:Kadmium
Icelandic:Kadmín
Ido:Kadmio
Indonesian:Kadmium
Irish Gaelic:Caidmiam
Italian:Cadmio
Javanese:Kadmium
Korean:카드뮴
Kurdish (Latin Script):Kadmiyûm
Latin:Cadmium
Latvian:Kadmijs
Lithuanian:Kadmis
Lojban:jinmrkadmu
Low Saxon/Low German:Cadmium
Luxembourgish:Cadmium
Manx:Cadmium
Norwegian:Kadmium
Norwegian (Nynorsk):Kadmium
Occitan:Cadmi
Polish:Kadm
Portuguese:Cádmio
Quechua:Kadmiyu
Romanian:Cadmiu
Russian:Кадмий
Saterland Frisian:Cadmium
Serbo-Croatian:Kadmijum
Sicilian:Cadmiu
Simplified Chinese:自然镉
Slovak:Kadmium
Slovenian:Kadmij
Spanish:Cadmio
Swahili:Cadimi
Swedish:Kadmium
Turkish:Kadmiyum
Ukrainian:Кадмій
Uzbek (Latin Script):Kadmiy
Vietnamese:Cadmi

Related Minerals - Strunz-mindat GroupingHide

1.AB.MagnesiumMgHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.AB.05RheniumReHex.
1.AB.05ZincZnHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.AB.05TitaniumTiHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.AB.10bDanbaiteCuZn2Iso.
1.AB.10aZhanghengiteCuZnIso. m3m (4/m 3 2/m) : Im3m
1.AB.10aα-BrassCu3ZnIso. m3m (4/m 3 2/m)
1.AB.10bTongxiniteCu2ZnIso.
1.AB.10aZinccopperiteCu7Zn4 (?)
1.AB.10UM2003-03-E:AgAuCuZn(Cu,Au,Ag)4Zn
1.AB.10UM1980-01-E:CuZnCu3Zn
1.AB.10UM1980-02-E:CuZnCu4.45Zn

Other InformationHide

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

Internet Links for CadmiumHide

References for CadmiumHide

Localities for CadmiumHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Kazakhstan
 
  • Akmola Region
Mineralogical Society of America - ...
Russia
 
  • Kamchatka Krai
    • Milkovsky District
      • Tolbachik Volcanic field
        • Plosky Tolbachik Volcano
Zelenski et al. (2020)
  • Sakha
Anthony et al. (2016)
    • Mirninsky District
      • Vilyui River Basin
        • Lower Khann'ya River
Pekov (1998)
    • Verkhoyansk District
Novgorodova M.I. et al (1982)
USA
 
  • Nevada
Castor et al. (2004)
 
Mineral and/or Locality  
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