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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
mindat.org URL:http://www.mindat.org/min-25597.html
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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+
 
(AsO
 
4
)
 
2
(OH)
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+
 
(AsO
 
4
)
 
2
(OH)
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

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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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
      • Punilla Department
        • 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)
    Australia
     
    • South Australia
      • Eyre Peninsula
        • Middleback Range
          • Iron Knob
    		Minerals of Iron Monarch, Glyn L. Francis
    Austria
     
    • Lower Austria
      • Mostviertel
        • Annaberg
          • Galmeikogel
    		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
      • Cochise Co.
        • Tombstone Hills
          • Tombstone District
    		Rob Bowell, lab tested
      • Gila Co.
        • Dripping Spring Mts
          • Banner District
            • Christmas area
              • Christmas
    		http://www.mindat.org/forum.php?read,6,261345,261345#msg-261345
      • 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
    • Utah
      • Box Elder Co.
        • Grouse Creek Mts
          • Rosebud District
    		Collected by and in the collection of Brent Thorne. Analyzed by Dr. Krause.
    Mineral and/or Locality
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