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Margaritasite

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Margaritas #1 Mine, Sierra Peña Blanca, Peña Blanca District, Mun. de Aldama, Chihuahua, Mexico
© Don Volkman 03/06

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Formula:
(Cs,K,H
 
3
O)
 
2
(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · H
 
2
O
System:Monoclinic
This page provides mineralogical data about Margaritasite.

Classification of Margaritasite

IMA status:Approved 1980
Strunz 8th edition ID:7/E.11-60
Nickel-Strunz 10th (pending) edition ID:4.HB.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
B : Uranyl Sorovanodates
Dana 8th edition ID:40.2a.28.2

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
Hey's CIM Ref.:21.4.5

21 : Vanadates (and vanadates with arsenate or phosphate)
4 : Vanadates of U, Mn, Fe or Ni
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Type Occurrence of Margaritasite

Co-type Localities:Margaritas #1 Mine, Sierra Peña Blanca, Peña Blanca District, Mun. de Aldama, Chihuahua, Mexico
Margaritas #2 Mine, Sierra Peña Blanca, Peña Blanca District, Mun. de Aldama, Chihuahua, Mexico
Year of Discovery:1982

Crystallography of Margaritasite

Crystal System:Monoclinic
Cell Parameters:a = 10.51Å, b = 8.42Å, c = 7.25Å
β = 106.01°
Ratio:a:b:c = 1.248 : 1 : 0.861
Unit Cell Volume:V 616.70 ų (Calculated from Unit Cell)

Chemical Properties of Margaritasite

Formula:
(Cs,K,H
 
3
O)
 
2
(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · H
 
2
O
Essential elements:Cs, H, O, U, V
All elements listed in formula:Cs, H, K, O, U, V

Relationship of Margaritasite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.HB.05Carnotite
K
 
2
(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 3H
 
2
O
4.HB.10Sengierite
Cu
 
2
(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 6H
 
2
O
4.HB.15Curienite
Pb(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 5H
 
2
O
4.HB.15Francevillite
(Ba,Pb)(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 5H
 
2
O
4.HB.15Fritzscheite
Mn(UO
 
2
)
 
2
(PO
 
4
,VO
 
4
)
 
2
·10H
 
2
O (?)
4.HB.20Metavanuralite
Al(UO
 
2
)
 
2
[OH|(VO
 
4
)
 
2
] · 8H
 
2
O
4.HB.20Vanuralite
Al(UO
 
2
)
 
2
[OH|(VO
 
4
)
 
2
] · 11H
 
2
O
4.HB.25Metatyuyamunite
Ca(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 3-5H
 
2
O
4.HB.25Tyuyamunite
Ca(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 5-8H
 
2
O
4.HB.30Strelkinite
Na
 
2
(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 6H
 
2
O
4.HB.35Uvanite
U
 
2
V
 
6
O
 
21
·15H
 
2
O
4.HB.40Rauvite
Ca(UO
 
2
)
 
2
V
 
10
O
 
28
·16H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
21.4.1Uvanite
U
 
2
V
 
6
O
 
21
·15H
 
2
O
21.4.2Vanuranylite
(H
 
3
O)
 
2
(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 4H
 
2
O
21.4.3Strelkinite
Na
 
2
(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 6H
 
2
O
21.4.4Carnotite
K
 
2
(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 3H
 
2
O
21.4.6Sengierite
Cu
 
2
(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 6H
 
2
O
21.4.7Metatyuyamunite
Ca(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 3-5H
 
2
O
21.4.8Tyuyamunite
Ca(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 5-8H
 
2
O
21.4.9Rauvite
Ca(UO
 
2
)
 
2
V
 
10
O
 
28
·16H
 
2
O
21.4.10Francevillite
(Ba,Pb)(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 5H
 
2
O
21.4.11Metavanuralite
Al(UO
 
2
)
 
2
[OH|(VO
 
4
)
 
2
] · 8H
 
2
O
21.4.12Vanuralite
Al(UO
 
2
)
 
2
[OH|(VO
 
4
)
 
2
] · 11H
 
2
O
21.4.13Curienite
Pb(UO
 
2
)
 
2
[VO
 
4
]
 
2
 · 5H
 
2
O
21.4.14Fritzscheite
Mn(UO
 
2
)
 
2
(PO
 
4
,VO
 
4
)
 
2
·10H
 
2
O (?)
21.4.15Palenzonaite
(Ca,Na)
 
3
CaMn
2+
2
[VO
 
4
]
 
3
21.4.16Santafeite
(Ca,Sr,Na)
 
12
(Mn
2+
 
,Fe
3+
 
,Al,Mg)
 
8
Mn
4+
8
(VO
 
4
)
 
16
(OH,O)
 
20
 · 8H
 
2
O
21.4.17Pyrobelonite
PbMn
2+
 
[OH|VO
 
4
]
21.4.18Brackebuschite
Pb
 
2
(Mn
3+
 
,Fe
3+
 
)[OH|(VO
 
4
)
 
2
]
21.4.19Čechite
Pb(Fe
2+
 
,Mn
2+
 
)[OH|VO
 
4
]
21.4.20Heyite
Pb
 
5
Fe
2+
2
[O
 
2
|VO
 
4
]
 
2
21.4.21Mounanaite
PbFe
3+
2
[VO
 
4
]
 
2
 · 2(OH,F)
21.4.22Schubnelite
Fe
 
2-x
V
 
2
O
 
4
(OH)
 
4
21.4.23Fervanite
Fe
 
4
(VO
 
4
)
 
4
·5H
 
2
O
21.4.24Kazakhstanite
Fe
 
5
V
 
3
V
 
12
O
 
39
(OH)
 
9
·9H
 
2
O
21.4.25Bokite
(Al,Fe
3+
 
)
 
1.3
[(V
5+
 
,V
4+
 
,Fe
3+
 
)
 
4
O
 
10
]
 
2
 · 7.5H
 
2
O
21.4.26Rusakovite
(Fe
3+
 
,Al)
 
5
[(OH)
 
9
|(VO
 
4
,PO
 
4
)
 
2
] · 3H
 
2
O
21.4.27Kolovratite
(Zn,Ni,Cu)
 
2-5
Al
 
4-6
(Si,V
4+
 
,V
5+
 
)
 
4
(O,OH)
 
20
·7.5H
 
2
O

Other Names for Margaritasite

Synonyms:
IMA1980-093
Other Languages:
German:Margaritasit
Spanish:Margaritasita

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 Margaritasite

Reference List:American Mineralogist (1982): 67: 1273-1289.

Articles/Blogs about Margaritasite

Internet Links for Margaritasite

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    Localities for Margaritasite

    (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.
    Mexico
     
    • Chihuahua
      • Mun. de Aldama
        • Peña Blanca District
          • Sierra Peña Blanca
    		Amer.Min.(1982) 67, 1273-1289; Panczner(1987): 265 & 392.
    Amer.Min.(1982) 67, 1273-1289; Panczner(1987):265 & 392.
    Mineral and/or Locality
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