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Santa Elena Mine, La Alcaparrosa, San Juan, Argentina

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Ref.: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 480, 609, 618, 1014.

Veins, 0.4 up to 3.2 meters thick, up to 1 km long, in diabase. Top 10 meters consist mainly of iron sulphates.





Mineral List:
  		•  Aluminocopiapite
    Al
     
    2/3
    		Fe
    3+
    4
    		[OH|(SO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 20H
     
    2
    		O
    Reference: [MIKON and Gunnar Farber catalogues (2005)]
  		•  Amarantite
    Fe
    3+
    2
    		[O|(SO
     
    4
    		)
     
    2
    		] · 7H
     
    2
    		O
    Reference: [Angelelli, Victorio and Gordon, Samuel, G. (1941) Sarmientite, a new mineral from Argentina. Notulae Naturae of The Academy of Natural Sciences of Philadelphia, #92.]
  		•  Ankerite
    Ca(Fe
    2+
     
    		 ,Mg,Mn
    2+
     
    		)(CO
     
    3
    		)
     
    2
    Reference: [Angelelli, Victorio and Gordon, Samuel, G. (1941) Sarmientite, a new mineral from Argentina. Notulae Naturae of The Academy of Natural Sciences of Philadelphia, #92.]
  		•  Arsenopyrite
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
    Reference: [Angelelli, Victorio and Gordon, Samuel, G. (1941) Sarmientite, a new mineral from Argentina. Notulae Naturae of The Academy of Natural Sciences of Philadelphia, #92.]
  		•  Botryogen
    MgFe
    3+
     
    		[OH|(SO
     
    4
    		)
     
    2
    		] · 7H
     
    2
    		O
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 480, 609, 618, 1014.]
    Site Photo
    Santa Elena Mine, La Alcaparrosa, San Juan, Argentina
    © Jorge Dascal
  		•  Butlerite
    Fe
    3+
     
    		[OH|SO
     
    4
    		] · 2H
     
    2
    		O
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 480, 609, 1014.]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [Angelelli, Victorio and Gordon, Samuel, G. (1941) Sarmientite, a new mineral from Argentina. Notulae Naturae of The Academy of Natural Sciences of Philadelphia, #92.]
  		•  Copiapite
    Fe
    2+
     
    		Fe
    3+
    4
    		[OH|(SO
     
    4
    		)
     
    3
    		]
     
    2
    		 · 20H
     
    2
    		O
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 480, 609, 1014.]
  		•  Epsomite
    MgSO
     
    4
    		·7H
     
    2
    		O
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 480, 609, 1014.]
  		•  Fibroferrite
    Fe
    3+
     
    		[OH|SO
     
    4
    		] · 5H
     
    2
    		O
    Description: Occurs in veins to 3 meters wide.
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II:: 480, 609, 616, 1014.]
  		•  Goslarite
    ZnSO
     
    4
    		·7H
     
    2
    		O
    Reference: [Angelelli, Victorio and Gordon, Samuel, G. (1941) Sarmientite, a new mineral from Argentina. Notulae Naturae of The Academy of Natural Sciences of Philadelphia, #92; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 515.]
  		•  Gypsum
    Ca[SO
     
    4
    		] · 2H
     
    2
    		O
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 480, 609, 1014.]
  		•  Halotrichite ?
    FeAl
     
    2
    		(SO
     
    4
    		)
     
    4
    		·22H
     
    2
    		O
    Reference: [Rivista Minera Geol. y Min.; Soc. Argentina Mineria y Geol., 8: 46-52 (1937).]
  		•  Hematite
    Fe
     
    2
    		O
     
    3
    Reference: [Rivista Minera Geol. y Min.; Soc. Argentina Mineria y Geol., 8: 46-52 (1937).]
  		•  Hohmannite ?
    Fe
    3+
    2
    		[O|(SO
     
    4
    		)
     
    2
    		] · 8H
     
    2
    		O
    Reference: [Notulae Naturae of The Academy of Natural Sciences of Philadelphia, # 89 (1941).]
  		•  Melanterite
    FeSO
     
    4
    		·7H
     
    2
    		O
    Description: zincian variety "calingastite"
    Reference: [Notulae Naturae of The Academy of Natural Sciences of Philadelphia, #92 (1941).]
  		•  Parabutlerite
    Fe
    3+
     
    		[OH|SO
     
    4
    		] · 2H
     
    2
    		O
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 480, 609, 611, 1014.]
  		•  Pickeringite
    MgAl
     
    2
    		(SO
     
    4
    		)
     
    4
    		·22H
     
    2
    		O
    Reference: [Notulae Naturae of The Academy of Natural Sciences of Philadelphia, # 89 & #92 (1941).]
  		•  Pyrite
    FeS
     
    2
    Reference: [Angelelli, Victorio and Gordon, Samuel, G. (1941) Sarmientite, a new mineral from Argentina. Notulae Naturae of The Academy of Natural Sciences of Philadelphia, #92.]
  		•  Quartz
    SiO
     
    2
    Reference: [Angelelli, Victorio and Gordon, Samuel, G. (1941) Sarmientite, a new mineral from Argentina. Notulae Naturae of The Academy of Natural Sciences of Philadelphia, #92.]
  		•  Römerite
    Fe
    2+
     
    		Fe
    3+
    2
    		(SO
     
    4
    		)
     
    4
    		·14H
     
    2
    		O
    Reference: [Angelelli, Victorio and Gordon, Samuel, G. (1941) Sarmientite, a new mineral from Argentina. Notulae Naturae of The Academy of Natural Sciences of Philadelphia, #92.]
  		•  Sarmientite (TL)
    Fe
    3+
    2
    		[OH|SO
     
    4
    		|AsO
     
    4
    		] · 5H
     
    2
    		O
    Type Locality: Santa Elena Mine, La Alcaparrosa, San Juan, Argentina
    Description: Occurs as nodules embedded in fibroferrite.
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 480, 609, 1014.]
  		•  Scorodite
    Fe
    3+
     
    		AsO
     
    4
    		·2H
     
    2
    		O
    Reference: [Rivista Minera Geol. y Min.; Soc. Argentina Mineria y Geol., 8: 46-52 (1937). Notulae Naturae of The Academy of Natural Sciences of Philadelphia, #92 (1941).]
  		•  Slavíkite
    (H
     
    3
    		O
    +
     
    		)
     
    3
    		Mg
     
    6
    		Fe
     
    15
    		(SO
     
    4
    		)
     
    21
    		(OH)
     
    18
    		·99H
     
    2
    		O
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 480, 609, 622, 1014.]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [Angelelli, Victorio and Gordon, Samuel, G. (1941) Sarmientite, a new mineral from Argentina. Notulae Naturae of The Academy of Natural Sciences of Philadelphia, #92.]
  		•  Sulphur
    S
     
    8
    Reference: [Notulae Naturae of The Academy of Natural Sciences of Philadelphia, # 89 & #92 (1941).]
  		•  Szomolnokite
    FeSO
     
    4
    		·H
     
    2
    		O
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 480, 609, 1014.]
  		•  Zincmelanterite ?
    (Zn,Cu,Fe)SO
     
    4
    		·7H
     
    2
    		O
    Description: Perhaps zincian melanterite? (previously known from here as "calingastite")
    Reference: [Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 480, 609, 1014.]


    28 entries listed. 28 valid minerals. 1 type locality (valid mineral).

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