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Riomarinaite

Formula:
Bi(OH)(SO
 
4
) * H
 
2
O
System:MonoclinicColour:light beige to light grey
Hardness:2 - 3
Name:for the type locality
This page provides mineralogical data about Riomarinaite.

Classification of Riomarinaite

IMA status:Approved 2000
Strunz 8th edition ID:6/0.0-
Nickel-Strunz 10th (pending) edition ID:7.DF.75

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
F : With large and medium-sized cations
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Type Occurrence of Riomarinaite

Type Locality:Falcacci stope (Le Cavacce), Rio Mine (Rio Marina Mine), Rio Marina, Elba Island, Livorno Province, Tuscany, Italy
General Appearance of Type Material:cavernous masses and coatings, rarely radiated aggregates of acicolar crystals
Year of Discovery:2005
Geological Setting of type material:alteration product of bismuthinite at very low pH values
Associated Minerals at type locality:
PyriteCosaliteCannoniteBismuthiniteBismoclite
Anglesite

Physical Properties of Riomarinaite

Lustre:Vitreous
Colour:light beige to light grey
Streak:white to light grey
Hardness (Mohs):2 - 3
Tenacity:Brittle
Fracture:Irregular/Uneven
Density (calculated):4.8 g/cm3

Crystallography of Riomarinaite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Cell Parameters:a = 6.0118Å, b = 13.3355Å, c = 6.4854Å
β = 112.906°
Ratio:a:b:c = 0.451 : 1 : 0.486
Unit Cell Volume:V 478.94 ų
Z:4

Chemical Properties of Riomarinaite

Formula:
Bi(OH)(SO
 
4
) * H
 
2
O
All elements listed in formula:Bi, H, O, S

Relationship of Riomarinaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DF.05Uklonskovite
NaMg[F|SO
 
4
] · 2H
 
2
O
7.DF.10Kainite
KMg[Cl|SO
 
4
] · 3H
 
2
O
7.DF.15Natrochalcite
NaCu
 
2
[OH|(SO
 
4
)
 
2
] · 2H
 
2
O
7.DF.20Metasideronatrite
Na
 
4
Fe
 
2
(SO
 
4
)
 
4
(OH)
 
2
·2H
 
2
O
7.DF.20Sideronatrite
Na
 
2
Fe(SO
 
4
)
 
2
OH·3H
 
2
O
7.DF.25Despujolsite
Ca
 
3
Mn
4+
 
[(OH)
 
6
|(SO
 
4
)
 
2
] · 3H
 
2
O
7.DF.25Fleischerite
Pb
 
3
Ge[(OH)
 
6
|(SO
 
4
)
 
2
] · 3H
 
2
O
7.DF.25Schaurteite
Ca
 
3
Ge[(OH)
 
6
|(SO
 
4
)
 
2
] · 4H
 
2
O
7.DF.25Mallestigite
Pb
 
3
Sb
5+
 
[(OH)
 
6
|AsO
 
4
|SO
 
4
] · 3H
 
2
O
7.DF.30Slavíkite
(H
 
3
O
+
 
)
 
3
Mg
 
6
Fe
 
15
(SO
 
4
)
 
21
(OH)
 
18
·99H
 
2
O
7.DF.35Metavoltine
Na
 
6
K
 
2
FeFe
 
6
(SO
 
4
)
 
12
O
 
2
·18H
 
2
O
7.DF.40Lannonite
HCa
 
4
Mg
 
2
Al
 
4
(SO
 
4
)
 
8
F
 
9
·32H
 
2
O
7.DF.40Vlodavetsite
AlCa
 
2
[F
 
2
|Cl|(SO
 
4
)
 
2
] · 4H
 
2
O
7.DF.45Peretaite
Ca(SbO)
 
4
[(OH)|SO
 
4
]
 
2
 · 2H
 
2
O
7.DF.50Gordaite
NaZn[(OH)
 
6
|SO
 
4
|Cl] · 6H
 
2
O
7.DF.55Clairite
(NH
 
4
)
 
2
Fe
 
3
(SO
 
4
)
 
4
(OH)
 
3
·3H
 
2
O
7.DF.60Arzrunite
near Cu
 
4
Pb
 
2
SO
 
4
Cl
 
6
(OH)
 
4
·2H
 
2
O
7.DF.65Elyite
Pb
 
4
Cu(SO
 
4
)O
 
2
(OH)
 
4
·H
 
2
O
7.DF.70Yecoraite
Fe
3+
3
(BiO)
 
5
(Te
4+
 
O
 
3
)(Te
6+
 
O
 
6
)
 
2
 · 9H
 
2
O
7.DF.80Dukeite
Bi
 
24
Cr
6+
8
O
 
57
(OH)
 
6
(H
 
2
O)
 
3
7.DF.85Xocolatlite
Ca
 
2
Mn
4+
2
Te
6+
2
O
 
12
·H
 
2
O

Other Names for Riomarinaite

Synonyms:
IMA2000-004
Other Languages:
German:Riomarinait
Russian:Риомаринаит

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 Riomarinaite

Reference List:Rögner, P. (2005): Riomarinait, ein neues Wismutmineral vom Abbau Falcacci, Rio Marina, Elba (Italien). Aufschluss 56, 53-60.

Internet Links for Riomarinaite

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    Localities for Riomarinaite

    (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.
    Germany
     
    • Bavaria
      • Lower Bavaria
        • Bavarian Forest
          • Waldkirchen
            • Röhrnbach
    		Habel, M. (2009): Der Granodioritbruch der Fa. Josef Uhrmann OHG, Steinerleinbach bei Röhrnbach. Mineralien-Welt 20 (2), 66-86.
    Italy
     
    • Tuscany
      • Livorno Province
        • Elba Island
          • Rio Marina
            • Rio Mine (Rio Marina Mine)
    		Rögner, P. (2005) Aufschluss 56, 53-60
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 9th Oct 2009 15:10:35