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Calderónite

Big Photo

Reserva Mine, Santa Marta, Badajoz, Extremadura, Spain
© R. Bracco

Show Calderónite Photos (22)
Formula:
Pb
 
2
Fe
3+
 
[OH|(VO
 
4
)
 
2
]
System:MonoclinicColour:reddish orange to ...
Hardness:3 - 4
Name:Honouring Prof. Salvador Calderón (1851-1911), for his contributions to the mineralogy of Spain.


Fe3+ analogue of Brackebuschite.

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)

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+
 
[OH|(VO
 
4
)
 
2
]
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 Group:
Brackebuschite Group:
M
2+
2
M
3+
 
[OH|(TO
 
4
)
 
2
]
Related Minerals - Nickel-Strunz Grouping):

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

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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    Localities for Calderónite

    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.
    (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
        • 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
      • Türnitzer Alpen Mts
        • Annaberg
    		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
     
    • 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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