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Calderónite

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Big Photo

Las Colmenitas Mine, Santa Marta, Badajoz, Extremadura, Spain
© Christian Rewitzer

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Formula:
Pb
 
2
Fe
3+
 
(VO
 
4
)
 
2
(OH)
System:MonoclinicColour:reddish orange to ...
Hardness:3 - 4
Member of:Brackebuschite Group
Name:Honouring Prof. Salvador Calderón (1851-1911), for his contributions to the mineralogy of Spain.


Fe3+ analogue of Brackebuschite.

See heyite.

Classification of Calderónite

IMA status:Approved 2001
Strunz 8th edition ID:7/B.24-28
Nickel-Strunz 10th (pending) edition ID:8.BG.05

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
G : With medium-sized and large cations, (OH, etc.):RO4 = 0.5:1
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Type Occurrence of Calderónite

Type Locality:Las Colmenitas Mine, Santa Marta, Badajoz, Extremadura, Spain
Place of Conservation of Type Material:Mineralogical Museum of the Instituto Geológico y Minero de España, Madrid, (Spanish Geological Survey) MGM-7748
Associated Minerals at type locality:
Descloizite

Occurrences of Calderónite

Geological Setting:Vanadium mineralizations in the oxidation zone of Pb-Zn deposits situated in close vicinity to amphibolite bodies.

Physical Properties of Calderónite

Lustre:Adamantine
Diaphaneity (Transparency):Transparent
Colour:reddish orange to reddish brown, yellow
Streak:reddish orange, yellow
Hardness (Mohs):3 - 4
Tenacity:Brittle
Fracture:Splintery
Density (measured):6.05 g/cm3

Crystallography of Calderónite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/m {P1 1 21/m} {P21/m} {P1 21/m 1}
Cell Parameters:a = 7.647Å, b = 6.094Å, c = 8.9Å
β = 112°
Ratio:a:b:c = 1.255 : 1 : 1.46
Unit Cell Volume:V 384.55 ų (Calculated from Unit Cell)
Morphology:Striated, prismatic to elongated tabular crystals to 1 mm.
X-Ray Powder Diffraction:
d-spacingIntensity
3.24 (100)
2.98 (50)
2.74 (50)

Optical Data of Calderónite

Type:Biaxial (+)
Pleochroism:Strong
Comments:X = light greenish brown
Y = brown
Z = reddish brown

Chemical Properties of Calderónite

Formula:
Pb
 
2
Fe
3+
 
(VO
 
4
)
 
2
(OH)
Essential elements:Fe, H, O, Pb, V
All elements listed in formula:Fe, H, O, Pb, V
Common Impurities:Mn

Relationship of Calderónite to other Species

Member of:Brackebuschite Group
Other Members of Group:

- +
Arsenbrackebuschite
Pb
 
2
(Fe
3+
 
,Zn
2+
 
)(AsO
 
4
)
 
2
(OH,H
 
2
O)
Arsentsumebite
Pb
 
2
Cu(AsO
 
4
)(SO
 
4
)(OH)
Bearthite
Ca
 
2
Al(PO
 
4
)
 
2
(OH)
Brackebuschite
Pb
 
2
(Mn
3+
 
,Fe
3+
 
)(VO
 
4
)
 
2
(OH)
Bushmakinite
Pb
 
2
Al(PO
 
4
)(VO
 
4
)(OH)
Feinglosite
Pb
 
2
(Zn,Fe
2+
 
)(AsO
 
4
)(SO
 
4
)(OH)
Gamagarite
Ba
 
2
(Fe
3+
 
,Mn
3+
 
)(VO
 
4
)
 
2
(OH)
Goedkenite
(Sr,Ca)
 
2
Al(PO
 
4
)
 
2
(OH)
Tokyoite
Ba
 
2
(Mn
3+
 
,Fe
3+
 
)(VO
 
4
)
 
2
(OH)
Tsumebite
Pb
 
2
Cu(PO
 
4
)(SO
 
4
)(OH)
Related Minerals - Nickel-Strunz Grouping):

- +
8.BG.05Arsentsumebite
Pb
 
2
Cu(AsO
 
4
)(SO
 
4
)(OH)
8.BG.05Bearthite
Ca
 
2
Al(PO
 
4
)
 
2
(OH)
8.BG.05Brackebuschite
Pb
 
2
(Mn
3+
 
,Fe
3+
 
)(VO
 
4
)
 
2
(OH)
8.BG.05Gamagarite
Ba
 
2
(Fe
3+
 
,Mn
3+
 
)(VO
 
4
)
 
2
(OH)
8.BG.05Goedkenite
(Sr,Ca)
 
2
Al(PO
 
4
)
 
2
(OH)
8.BG.05UM1994-19-PO:CuHMoPb
Pb
 
2
Cu(PO
 
4
)(MoO
 
4
,AsO
 
4
,CrO
 
4
,GaO
 
4
)(OH)
8.BG.05Tsumebite
Pb
 
2
Cu(PO
 
4
)(SO
 
4
)(OH)
8.BG.05Arsenbrackebuschite
Pb
 
2
(Fe
3+
 
,Zn
2+
 
)(AsO
 
4
)
 
2
(OH,H
 
2
O)
8.BG.05Feinglosite
Pb
 
2
(Zn,Fe
2+
 
)(AsO
 
4
)(SO
 
4
)(OH)
8.BG.05Bushmakinite
Pb
 
2
Al(PO
 
4
)(VO
 
4
)(OH)
8.BG.05Tokyoite
Ba
 
2
(Mn
3+
 
,Fe
3+
 
)(VO
 
4
)
 
2
(OH)
8.BG.10Mélonjosephite
CaFe
2+
 
Fe
3+
 
(PO
 
4
)
 
2
(OH)
8.BG.15Tancoite
LiNa
 
2
Al(PO
 
4
)(HPO
 
4
)(OH)

Other Names for Calderónite

Synonyms:
Unnamed (Fe-analogue of Brackebuschite)
Other Languages:
German:Calderonit
Russian:Кальдеронит

Other Information

Fluorescence in UV light:none
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 Calderónite

Reference List:

- +
Gonzalez Del Tanago, Jose; La Iglesia, Angel; Rius, Jordi; Fernandez Santin, Soledad. (2003): Calderonite, a new lead-iron-vanadate of the brackebuschite group: American Mineralogist 88, 1703-1708.

Internet Links for Calderónite

Search Engines:
  • Look for Calderónite on Google
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    • External Links:
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  • Look for Calderónite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • Edwards Minerals - Fine Specimens
  • Search for Calderónite from all mineral dealers at minfind.com
  • Buy RARE Minerals from Rocks of Africa
  • Rare and Unusual minerals at Mineralogical Research Company
  • Find Calderónite on www.crystalclassics.co.uk
  • Buy from David K Joyce minerals
  • The Arkenstone - Fine Minerals
  • Search for minerals at Heliodor
  • Buy fine minerals and gemstones from Pala International
  • Fabre Minerals - search for Calderónite specimens
  • Wilensky Fine Minerals
  • Top quality minerals from Kristalle of California
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    • Localities for Calderónite

    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.
    Hide Locality List
    (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.
    Argentina
     
    • Córdoba
      • Sierra de Córdoba
        • El Guaico district
          • Venus Pb-Zn deposit
    		Gonzalez Del Tanago, Jose; La Iglesia, Angel; Rius, Jordi; Fernandez Santin, Soledad. (2003): Calderonite, a new lead-iron-vanadate of the brackebuschite group: American Mineralogist 88, 1703-1708; Lapis 29(1), 46 (2004)
    Austria
     
    • Lower Austria
      • Mostviertel
        • Annaberg
          • Galmeikogel Mt.
    		Gonzalez Del Tanago, Jose; La Iglesia, Angel; Rius, Jordi; Fernandez Santin, Soledad. (2003): Calderonite, a new lead-iron-vanadate of the brackebuschite group: American Mineralogist 88, 1703-1708; Lapis 29(1):46 (2004)
    Italy
     
    • Liguria
      • Savona Province
        • Magliolo
    		Balestra, C. & Armellino, G. (2004): I minerali del giacimento di Isallo. Notiziario di Mineralogia e Paleontologia Ferrania Club, 18, 17-21.
    Japan
     
    • Honshu Island
      • Chubu Region
        • Shizuoka Prefecture
    		Yamada, T. & Watanabe, H. (2002) Vanadium-bearing minerals from the Enmei mine, Shizuoka Prefecture. Koubutsu-Gakkai Kou'en-Youshi, 33.
    Spain
     
    • Andalusia
      • Almería
        • Níjar
    		A. Arribas, F. Hernández, M. A. Fernández Périz, J. Gröbner, G. Leal (2005): Rodalquilar - El oro del capo del ágata. BOCAMINA 15, 12-88.
    G. Leal, Antonio Arribas, Miguel A. Fernandez, Joachim Grobner, Francisco Hernandez (2005): Rodalquilar : El oro del Cabo del Agata. Bocamina, 15, 14-79.
    • Extremadura
      • Badajoz
    		 Gonzalez Del Tanago, Jose; La Iglesia, Angel; Rius, Jordi; Fernandez Santin, Soledad. (2003): Calderonite, a new lead-iron-vanadate of the brackebuschite group: American Mineralogist 88, 1703-1708; Lapis 29(1), 46 (2004)
        • Santa Marta
    		Am. Min., 88, 1703–1708, 2003; Lapis 29(1), 46 (2004)
    Javier Subiràn Reyes collection
    USA
     
    • Arizona
      • Maricopa Co.
        • Big Horn Mts
          • Osborn District
            • Tonopah
              • Belmont Mountain
                • Tiger Wash
    		Collected by and in the collection of Joe Ruiz. Analyzed at the University of Arizona.
    • Colorado
      • Montrose Co.
        • Uravan District
    		NHM Collection, London (2010) - EDX analysis
    • Nevada
      • Eureka Co.
        • Maggie Creek District
    		Lapis 33 (4) (2008) 12
      • Humboldt Co.
        • Iron Point District
          • Valmy
    		Dr. William S. Wise presentation to Northwest Micro Mineral Study Group on 1 May 2004, Update on Mineralogy of the Silver Coin Mine, Iron Point District, Edna Mountains, Humboldt Co., Nevada
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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