Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (6 online) Mindat Auctions

Kamacite

Big Photo

Gibeon meteorite, Great Namaqualand, Hardap Region, Namibia
© Marco Barsanti

Show Kamacite Photos (18)
Formula:
(Fe,Ni)
System:IsometricColour:Grey
Lustre:MetallicHardness:4
Name:From the Greek "kamask" meaning "shaft" or "lath"
A variety of Iron

A nickel-rich variety of iron.

The principle constituent of a typical octahedrite meteorite with about 92% iron and 7% nickel.

Classification of Kamacite

Strunz 8th edition ID:1/A.07-20
Nickel-Strunz 10th (pending) edition ID:1.AE.05

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
E : Iron-chromium family
Dana 7th edition ID:1.1.17.3
Dana 8th edition ID:1.1.11.1

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
Hey's CIM Ref.:1.62

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
mindat.org URL:http://www.mindat.org/min-2143.html
Please feel free to link to this page.

Physical Properties of Kamacite

Lustre:Metallic
Colour:Grey
Streak:Grey
Hardness (Mohs):4

Crystallography of Kamacite

Crystal System:Isometric
Cell Parameters:a = 2.86Å
Unit Cell Volume:V 23.39 ų (Calculated from Unit Cell)

Optical Data of Kamacite

Type:Isotropic

Chemical Properties of Kamacite

Formula:
(Fe,Ni)
Essential elements:Fe
All elements listed in formula:Fe, Ni
Common Impurities:Co,C,P,S

Relationship of Kamacite to other Species

Related Minerals - Nickel-Strunz Grouping):
1.AE.05Molybdenum
Mo
1.AE.05Chromium
Cr
1.AE.05Iron
Fe
1.AE.05Tungsten
W
1.AE.10Taenite
(Fe,Ni)
1.AE.10Tetrataenite
FeNi
1.AE.10Antitaenite
Fe
 
3
Ni
1.AE.15Chromferide
Fe
 
3
Cr
 
1-x
 (x=0.6)
1.AE.15Ferchromide
Cr
 
1.5
Fe
 
0.5-x
1.AE.15Wairauite
CoFe
1.AE.20Awaruite
Ni
 
3
Fe
1.AE.25Jedwabite
Fe
 
7
(Ta,Nb)
 
3
1.AE.30Manganese
Mn
Related Minerals - Hey's Index Grouping:
1.1Copper
Cu
1.2Silver
Ag
1.5Gold
Au
1.6Auricupride
Cu
 
3
Au
1.7Tetra-auricupride
AuCu
1.8Zinc
Zn
1.9Cadmium
Cd
1.10Danbaite
CuZn
 
2
1.11Zhanghengite
CuZn
1.12Mercury
Hg
1.13Kolymite
Cu
 
7
Hg
 
6
1.14Moschellandsbergite
Ag
 
2
Hg
 
3
1.15Eugenite
Ag
 
11
Hg
 
2
1.16Schachnerite
Ag
 
1.1
Hg
 
0.9
1.17Paraschachnerite
Ag
 
3
Hg
 
2
1.18Luanheite
Ag
 
3
Hg
1.19Weishanite
(Au,Ag)
 
3
Hg
 
2
1.20Indium
In
1.21Aluminium
Al
1.22Khatyrkite
(Cu,Zn)Al
 
2
1.23Cupalite
(Cu,Zn)Al
1.24Diamond
C
1.25Graphite
C
1.26Chaoite
C
1.27Lonsdaleite
C
1.28Silicon
Si
1.29Tin
Sn
1.30Lead
Pb
1.31Anyuiite
Au(Pb,Sb)
 
2
1.31Novodneprite
AuPb
 
3
1.32Leadamalgam
HgPb
 
2
1.33Arsenic
As
1.34Arsenolamprite
As
1.35Paxite
CuAs
 
2
1.36Koutekite
Cu
 
5
As
 
2
1.37Domeykite
Cu
 
3
As
1.38Algodonite
(Cu
 
1-x
As
 
x
)
1.39Novakite
Cu
 
20
AgAs
 
10
1.40Kutinaite
Cu
 
2
AgAs
1.41Antimony
Sb
1.42Stibarsen
AsSb
1.43Paradocrasite
Sb
 
3
As
1.44Horsfordite
1.45Cuprostibite
Cu
 
2
(Sb,Tl)
1.46Allargentum
(Ag
 
1-x
Sb
 
x
)
1.47Aurostibite
AuSb
 
2
1.48Dyscrasite
Ag
 
3
Sb
1.49Bismuth
Bi
1.50Maldonite
Au
 
2
Bi
1.51Sulphur
S
 
8
1.52Rosickýite
S
1.53Selenium
Se
1.54Tellurium
Te
1.55Chromium
Cr
1.56Rhenium
Re
1.57Iron
Fe
1.58Chromferide
Fe
 
3
Cr
 
1-x
 (x=0.6)
1.59Ferchromide
Cr
 
1.5
Fe
 
0.5-x
1.60Wairauite
CoFe
1.61Nickel
Ni
1.63Taenite
(Fe,Ni)
1.64Tetrataenite
FeNi
1.65Awaruite
Ni
 
3
Fe
1.66Palladium
(Pd,Pt)
1.67Potarite
PdHg
1.68Paolovite
Pd
 
2
Sn
1.69Stannopalladinite
(Pd,Cu)
 
3
Sn
 
2
1.70Cabriite
Pd
 
2
SnCu
1.71Taimyrite
(Pd,Cu,Pt)
 
3
Sn
1.72Atokite
(Pd,Pt)
 
3
Sn
1.73Rustenburgite
(Pt,Pd)
 
3
Sn
1.74Zvyagintsevite
(Pd,Pt,Au)
 
3
(Pb,Sn)
1.75Plumbopalladinite
Pb
 
2
Pd
 
3
1.76Osmium
(Os,Ir,Ru)
1.77Iridium
(Ir,Os,Ru)
1.82Platinum
Pt
1.83Hongshiite
PtCu
1.84Niggliite
PtSn
1.85Isoferroplatinum
Pt
 
3
Fe
1.86Tetraferroplatinum
PtFe
1.87Tulameenite
Pt
 
2
CuFe
1.88Ferronickelplatinum
Pt
 
2
FeNi
1.89Rhodium
(Rh,Pt)
Related Minerals - Dana Grouping):
1.1.17.1Iron
Fe
1.1.17.2Nickel
Ni
1.1.17.4Taenite
(Fe,Ni)
1.1.17.5Tetrataenite
FeNi
1.1.17.6Awaruite
Ni
 
3
Fe
1.1.17.6Hexaferrum
(Fe,Os,Ru,Ir)

Other Names for Kamacite

German names:
BalkeneisenKamacit
Spanish names:
Kamacita

Other Information

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

References for Kamacite

Reference List:Geochemica et Cosmochimica Acta: 29: 535-549.

Buchwald (1975), Handbook of iron meteorites, I-III.

Clark (1993): 350.

Burke, Ernest A.J. (2007) A Mass Discreditation of GQN Minerals. Canadian Mineralogist: 44(6): 1557-1560.

Internet Links for Kamacite

Search Engines:
  • Look for Kamacite on Google
  • Look for Kamacite images on Google
    • External Links:
  • Kamacite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • rare and unusual minerals mainly crystallized
  • Fine Minerals from Dan Weinrich Minerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • High-end worldwide specimens & outstanding customer service
  • Wilensky Fine Minerals
  • Top quality minerals from Kristalle of California
  • Lapis Mineral Magazin
  • Buy fine minerals and gemstones from Pala International
  • Search for Kamacite at Thames Valley Minerals
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • Search for Kamacite on minvision.com
  • Buy Fine Minerals from mineralsweb.com
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to find out how you can sponsor this page.

    Localities for Kamacite

    Hide Locality List
    The 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.
    These maps work faster with Firefox!
    (TL) indicates type locality. ? 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.
    Antarctica
     
    • Eastern Antarctica
      • Victoria Land
        • Allan Hills
    		bersite, troilite, daubreelite, and djerfisherite
    Meteoritical Bulletin, 84 (Aug. 2000)
    Argentina
     
    • Chaco
      • Gran Chaco
    • Santa Cruz
      • Laguna Manantiales
    Australia
     
    • Northern Territory
      • Alice Springs
        • Henbury Cattle Station
    		1. Geochim. et Cosmochim. Acta, 1957, v.11, No 4, 263-278, B литературе не описан.
    • Queensland
      • South Gregory
        • Tenham Station
    		Excalibur Minerals CATALOG #20506 - Vol. XXXII, No. 6
    • Western Australia
      • Gascoyne District
    		Journal of the Royal Society of Western Australia, 84:149-152, 2001
      • North Haig
        • Sleeper Camp
    		Am Min 67:126-131
    Bolivia
     
    • Potosí Department
      • Nor Lípez Province
        • Ollague
    		Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 44
    Brazil
     
    • Northeast Region
      • Bahia
        • Quijingue
    		www.igc.usp.br/museu/artigos05.htm.
    • South Region
      • Santa Catarina
        • São Francisco do Sul
    Canada
     
    • Alberta
      • Abee
    • New Brunswick
      • Carleton Co.
        • Benton
    		www.lpi.usra.edu/meetings/metsoc2001/pdf/5301.pdf.
    • Québec
      • Saint-Robert
    		http://castaing.eps.mcgill.ca/meteoriteposter/poster.html.
    • Saskatchewan
      • Springwater
    		http://miac.uqac.ca/MIAC/iron.htm
    • Yukon Territory
      • Whitehorse Mining District
        • Carcross
          • Tagish Lake
    		Lunar and Planetary Science XXXII (2001)
    China
     
    • Anhui Province
      • Chaohu Prefecture
        • Lujiang Co.
    		http://scholar.ilib.cn/Abstract.aspx?A=kwxb199903011
    • Guangdong Province
      • Shaoguan Prefecture
        • Wengyuan Co.
    		M. Chen and X. Xie, Eur. J. Mineral. , 1996, 8, pp. 325-333.
    • Guangxi Zhuang Autonomous Region
      • Hechi Prefecture
        • Nandan Co.
          • Lihu - Yaochai area
    		No reference listed
    • Hebei Province
      • Chengde Prefecture
        • Yan Mts (Yan Shan)
    		http://www.chiemgau-impact.com/footnotes.html
    • Jiangsu Province
      • Taizhou Prefecture
        • Taizhou City
          • Sixiangkou
    		Lunar and Planetary Science, volume 27, page 1373
    • Shaanxi Province
      • Hanzhong Prefecture
        • Ningqiang Co.
    		Xin, H., Eisenhour, D.D., and Buseck, P.R. (1995): Meteoritics 30(1), 106-109.
    Egypt
     
    • Western Desert
    Estonia
     
    • Viljandi Co.
      • Vohma
        • Pillistfer
    Germany
     
    • Bavaria
      • Swabia
        • Allgäu
          • Füssen
    		G. Simon et al. : "The Meteorite Neuschwanstein", 5th International Conference "Mineralogy & Museums", Paris, Sept. 5-8th 2004, Bull. de Liaison de la Soc. Franç. de Minéralogie et Cristallographie, 2004, Vol 16, N°2.
    • North Rhine-Westphalia
      • Münsterland
        • Velen
    		http://www.arn-meteorites.com/MET_R.HTM
    Greenland
     
    • Kitaa (West Greenland) Province
      • Qeqertarsuaq Island (Disko Island)
        • Uivfaq (Ovifak)
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    Hungary
     
    • Somogy Co.
      • Somogyi Hills
        • Kaposfüred
    		Szakáll-Gatter-Szendrei:Mineral Species of Hungary,2005
        • Mike
    		Szakáll-Gatter-Szendrei:Mineral Species of Hungary,2005
    • Szabolcs-Szatmár-Bereg Co.
      • Great Hungarian Plain
        • Kisvarsány
    		Szakáll-Gatter-Szendrei:Mineral Species of Hungary,2005
    • Veszprém Co.
      • Bakony Mts.
        • Nagyvázsony
    		Szakáll & Gatter: Hun. Min. Spec., 1993
    India
     
    • Rajasthan (Rajputana)
    Italy
     
    • Emilia-Romagna
      • Ferrara Province
    		Abreau & Brearley in Meteoritics & Planetary Science 40(4): 1 (2005)
    • Marche
      • Ascoli Piceno province
    		G.Cevolani (1998): Unusual aspects of the Fermo meteorite: composition and structure. Meteroids 1998, editors: W. J. Baggaley and V. Porubcan. Proceedings of the International Conference held at Tatranska Lomnica, Slovakia, August 17-21, 1998. Astronomical Institute of the Slovak Academy of Sciences, 1999., p.391
    Kazakhstan
     
    • Pavlodar Oblysy (Pavlodar [Pavlodarskaya] Oblast')
    		http://geosci.uchicago.edu/~campbell/Abstracts/Fremdlinge_preprint.pdf.
    Mexico
     
    • Mexico
      • Jiquipilco (Xiquipilco)
    Morocco
     
    • Meknès-Tafilalet Region
      • Er Rachidia Province
        • Erfoud (Erfud)
    		V. Moggi-Cecchi et al., 2005
    Namibia
     
    • Hardap Region
      • Great Namaqualand
    • Otjozondjupa Region
      • Grootfontein District
        • Grootfontein
    		CanRockhound v.4, n.2
    Norway
     
    • Nordland
      • Nesna
        • Nord-Sjona
          • Pollen
    		Wolff, F. C.(1963): Pollen- meteoritten. et nytt funn av meteoritt i Norge. Norges Geologiske Undersøkelse 223, 359-363
    • Østfold
      • Moss
    		J. Grossman, USGS; G. MacPherson, SI; L. Chizmadia, UHaw; A. Rubin, UCLA
    Oman
     
    • Sayh al Uhaymir
    		The Meteoritical Bulletin, No. 87
    Poland
     
    • Mazowieckie
      • Pultusk
    		www.geo.uw.edu.pl/MUZEUM/METEORITE/pultusk_a.htm.
    • Wielkopolskie
      • Poznan
    		B. Cervelle et al. , Bull. Soc. Fr. Minéral. , 1974, 97, pp. 40-47.
    Russia
     
    • Eastern-Siberian Region
      • Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai)
        • Taimyr Autonomous Region (Taymyrskiy Okrug)
          • Taimyr Peninsula
            • Khatanga
              • Malaya Romanikha River
    		P.M. Kartashov data
      • Transbaikalia (Zabaykalye)
        • Yeniseisk Autonomous Oblast'
          • Novosibirsk
            • Kuznetsk Alatau Range
              • Mrassa river
    		P.M. Kartashov data
    • Far-Eastern Region
      • Magadanskaya Oblast'
    		Meteoritical Bulletin
      • Primorskiy Kray
        • Sikhote-Alin
    		O. Richard Norton “ Rocks From Space “ - Mountain Press - 1998
    • North-Western Region
      • Ryazanskaya Oblast'
        • Kasimov District
    		Excalibur Minerals; Pekov, I.V. et al (2007) European Journal of Mineralogy, 19, 891-898.
    Slovakia
     
    • Prešov Region
      • Ľubovnianská vrchovina Mts
        • Lenartov
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
    • Žilina Region
      • Oravská Magura Mts
        • Námestovo
          • Slanica
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    Sweden
     
    • Norrbotten
      • Pajala
        • Kitkiöjärvi
    Switzerland
     
    • Bern
      • Biehl lake
        • Twannberg
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 500
      • Emme Valley
        • Langnau
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 500
      • Utzenstorf
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 500
    • Fribourg (Freiburg)
      • Tafers
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 500
    • Vaud (Waadt)
      • Oron-la-Ville
        • Châtillens
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 500
      • Sainte-Croix
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 500
    The Moon
     
    Mokhov A.V., Kartashov P.M., Bogatikov O.A. (2007) Moon under a microscope, - Moscow, Nauka, p.128 (in Rus.).
    • Station 9 (Apollo 15 Base)
    		Meteoritical Bulletin, 81: July 1997
    USA
     
    • Alabama
      • Cleburne Co.
        • Chulafinnee
    		Mineralogy of Alabama Geol Surv Ala. Bull 120
    • Alaska
      • Nome Borough
        • Seward Peninsula
    		www.gi.alaska.edu/ScienceForum/ASF2/200.html
    • Arizona
      • Coconino Co.
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 403; Gigl, P.D. & F. Dachille (1968), Effect of pressure and temperature on the reversal transitions of stishovite, Meteorites: 4: 123-136; Mead, C., et al (1965), Metallic spheroids from Meteor Crater, AZ, Am.Min.: 50: 667-681.
        • Meteor Crater and vicinity
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 154, 176.
      • Mohave Co.
        • Cerbat Mts (Cerbat Range)
          • White Hills
    • Arkansas
      • Izard Co.
        • Calico Rock
    • Georgia
      • Chattooga Co.
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
      • Cherokee Co.
        • Canton
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
    Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
      • Emanuel Co.
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
      • Henry Co.
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
      • Jenkins Co.
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
      • Oglethorpe Co.
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
      • Paulding Co.
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
      • Pickens Co.
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
      • Polk Co.
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
        • Cedartown
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
      • Pulaski Co.
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
      • Putnam Co.
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
      • Union Co.
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
      • Walton Co.
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
      • Whitfield Co.
        • Dalton
    		Minerals of Georgia: Their properties and occurrences GGWRD Bull 92
    • Iowa
      • Emmet Co.
      • Johnson Co.
    		Meteoritics, vol. 10, Mar. 30, 1975, p. 67-74.
    • Kansas
      • Decatur Co.
    		Workshop on Parent-Body and Nebular Modification of Chondritic Materials 4038.pdf http://www.lpi.usra.edu/meetings/chondrite/pdf/4038.pdf
      • Kiowa Co.
        • Kimberly farm
      • McPherson Co.
      • Norton Co.
    		Am Min 67:132-136
    • Kentucky
      • Kenton Co.
    		Zapiski Vseross. Mineral. Obshch. (1999) 128/3, 64-72 (in russian)
      • Nelson Co.
        • Cox's Creek
    		http://meteoritemag.uark.edu/622.htm
    • Michigan
      • Osceola Co.
        • Reed City
    		www.rasny.org/V4P89-91.HTM
    • Missouri
      • Bates Co.
    		Min Rec 31:4 p383-372
      • St. Genevieve Co.
    • Nevada
      • Churchill Co.
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Clark Co.
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Nye Co.
    		NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
    • New Mexico
      • Colfax Co.
    		NMGS Spec Pub 6
      • Roosevelt Co.
        • Portales
    		Lunar and Planetary Science XXX
    Leonard S.Wiener and Sigrid Ballew,1995, Updated by Kenny Gay,2006, A Listing Of North Carolina Minerals,Geologic Note No.4
    • North Dakota
      • Grant Co.
        • New Leipzig
    • Ohio
      • Auglaize Co.
        • Kossuth
    		www.ohiodnr.com/geosurvey/pdf/spring97.pdf.
    • Oregon
      • Clackamas Co.
        • West Linn
    • Pennsylvania
      • Adams Co.
        • Mount Joy Township
    		www.amnh.org
      • Lycoming Co.
        • Bald Eagle Mountain
    		www.rasny.org/baldeagl.htm
    • Tennessee
      • Claiborne Co.
      • De Kalb Co.
        • Smithville
    • Texas
      • Castro Co.
        • Dimmitt
      • Ector Co.
        • Odessa
        • Penwell
    		www.meteorlab.com
      • Red River Co.
        • Deport
    		AmMin 17:357-359
      • Val Verde Co.
    		Meteoritics, vol. 12, Mar. 31, 1977, p. 1-12.
    • Virginia
      • Augusta Co.
    		Minerals of Virginia 1990 by R. V. Dietrich
    • Washington
      • Clark Co.
        • Washougal
    		http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1972Metic...7..449J&data_type=PDF_HIGH&type=PRINTER&filetype=.pdf
      • Whitman Co.
        • Albion
    		www.meteorlab.com/METEORLAB2001dev/albtxt3.htm
    • Wisconsin
      • Walworth Co.
        • Zenda
      • Waushara Co.
    		www.uwrf.edu/~wc01/meteorite.html
    Uzbekistan
     
    • Buxoro (Bukhara) Viloyati
    		www.meteoriticalsociety.org/bulletin/mb89preview.pdf.
    Western Sahara
     
    • Saguia el Hamra
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.