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Radovanite

Formula:
Cu
 
2
Fe
3+
 
[(As
3+
 
O
 
2
(OH)]
 
2
[As
5+
 
O
 
4
]·H
 
2
O
System:OrthorhombicColour:Pistachio green
Lustre:Adamantine, Vitreous
Name:named for Radovan Cerny (born 1957), crystallographer, University of Geneva, Switzerland
This page provides mineralogical data about Radovanite.

Classification of Radovanite

IMA status:Approved 2000
Strunz 8th edition ID:7/C.11-040
Nickel-Strunz 10th (pending) edition ID:8.CB.40

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
B : With only medium-sized cations, RO4:H2O = 1:1
mindat.org URL:http://www.mindat.org/min-11132.html
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Type Occurrence of Radovanite

Type Locality:Roua Mines (Clue de Roua), Daluis, Guillaumes, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, France
General Appearance of Type Material:crystals up to 0.15 x 0.08 x 0.02 mm in size, aggregates up to 2 mm in diameter

Physical Properties of Radovanite

Lustre:Adamantine, Vitreous
Diaphaneity (Transparency):Transparent
Colour:Pistachio green
Streak:green
Tenacity:Brittle
Fracture:Conchoidal
Density (measured):3.9 g/cm3
Density (calculated):3.79 g/cm3

Crystallography of Radovanite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Pnma {P21/n 21/m 21/a}
Cell Parameters:a = 9.585Å, b = 13.143Å, c = 8.0884Å
Ratio:a:b:c = 0.729 : 1 : 0.615
Unit Cell Volume:V 1018.9 ų
Z:4

Optical Data of Radovanite

Type:Biaxial (-)
RI values: nα = 1.800 nβ = 1.840 nγ = 1.860
2V:Measured: 65° , Calculated: 69°
Maximum Birefringence:δ = 0.060

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Pleochroism:Weak
Comments:X = light green to colourless, Y = yellow green, Z = pistachio green

Chemical Properties of Radovanite

Formula:
Cu
 
2
Fe
3+
 
[(As
3+
 
O
 
2
(OH)]
 
2
[As
5+
 
O
 
4
]·H
 
2
O
Essential elements:As, Cu, Fe, H, O
All elements listed in formula:As, Cu, Fe, H, O

Relationship of Radovanite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.CB.05Serrabrancaite
MnPO
 
4
·H
 
2
O
8.CB.10Hureaulite
(Mn,Fe)
 
5
H
 
2
(PO
 
4
)
 
4
·4H
 
2
O
8.CB.10Sainfeldite
Ca
 
5
H
 
2
(AsO
 
4
)
 
4
·4H
 
2
O
8.CB.10Villyaellenite
(Mn,Ca,Zn)
 
5
(AsO
 
4
)
 
2
[AsO
 
3
(OH)]
 
2
·4H
 
2
O
8.CB.10UM1997-09-AsO:CaHMgZn
(Mg,Ca,Zn)
 
5
(AsO
 
4
)
 
2
[AsO
 
3
(OH)]
 
2
·4H
 
2
O
8.CB.10IMA2008-047
Cd
 
3
Zn
 
2
(AsO
 
3
OH)
 
2
(AsO
 
4
)
 
2
·4H
 
2
O
8.CB.10Miguelromeroite
Mn
 
5
(H
 
2
O)
 
4
(AsO
 
3
OH)
 
2
(AsO
 
4
)
 
2
8.CB.15Fluckite
CaMnH
 
2
(AsO
 
4
)
 
2
·2H
 
2
O
8.CB.15Krautite
MnHAsO
 
4
·H
 
2
O
8.CB.20Cobaltkoritnigite
(Co,Zn)[HAsO
 
4
] · H
 
2
O
8.CB.20Koritnigite
Zn[HAsO
 
4
] · H
 
2
O
8.CB.25Yvonite
Cu[HAsO
 
4
] · 2H
 
2
O
8.CB.30Geminite
Cu
 
2
[As
 
2
O
 
7
] · 3H
 
2
O
8.CB.35Schubnelite
Fe
 
2-x
V
 
2
O
 
4
(OH)
 
4
8.CB.45Kazakhstanite
Fe
 
5
V
 
3
V
 
12
O
 
39
(OH)
 
9
·9H
 
2
O
8.CB.50Kolovratite
(Zn,Ni,Cu)
 
2-5
Al
 
4-6
(Si,V
4+
 
,V
5+
 
)
 
4
(O,OH)
 
20
·7.5H
 
2
O
8.CB.55Irhtemite
Ca
 
4
Mg[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 4H
 
2
O
8.CB.60Burgessite
Co
 
2
 (H
 
2
O)
 
4
[AsO
 
3
OH]
 
2
(H
 
2
O)}

Other Names for Radovanite

Synonyms:
IMA2000-001
Other Languages:
German:Radovanit
Spanish:Radovanita

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 Radovanite

Reference List:Sarp, H. & Guenée, L. (2002): Radovanite, Cu2Fe+3(As+5O4)(As+3O2OH)2H2O, a new mineral: its description and crystal structure. Archives des Sciences de Genève: 55(1): 47-55.

Internet Links for Radovanite

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    Localities for Radovanite

    (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.
    France
     
    • Provence-Alpes-Côte d'Azur
      • Alpes-Maritimes
        • Guillaumes
          • Daluis
    		Riviéra Scientifique 84 (2000), 20; Archives des Sciences Genève 55 (2000), 47
    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: 14th Oct 2009 06:04:45