Juonniite (original) (raw)
A valid IMA mineral species
About JuonniiteHide
This section is currently hidden. Click the show button to view.
Formula:
CaMgSc(PO4)2(OH) · 4H2O
Colour:
Gray to bright orange
Crystal System:
Orthorhombic
Name:
The name alludes to the type locality, near the Yona or Juonni River (from the Russian or Finnish, respectively). Pronounced YO'NAITE.
Unique combination of elements.
Unique IdentifiersHide
This section is currently hidden. Click the show button to view.
Long-form identifier:
mindat:1:1:7126:6
144397c1-a0b6-4e3e-86f5-56bc8fd8050e
IMA Classification of JuonniiteHide
This section is currently hidden. Click the show button to view.
Type description reference:
Liferovich, R. P., Yakovenchuk, V. N., Pakhomovsky, Y. A., Bogdanova, A. N., Britvin, S. N. (1997) Juonniite, a new mineral of scandium from dolomitic carbonatites of the Kovdor massif. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 126 (4) 80-88
Classification of JuonniiteHide
This section is currently hidden. Click the show button to view.
8.DH.20
8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
H : With large and medium-sized cations, (OH, etc.):RO4 < 1:1
Mineral SymbolsHide
This section is currently hidden. Click the show button to view.
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Juo | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of JuonniiteHide
This section is currently hidden. Click the show button to view.
Colour:
Gray to bright orange
Hardness:
VHN20=330 kg/mm2 - Vickers
Density:
2.43(3) g/cm3 (Measured) 2.44 g/cm3 (Calculated)
Comment:
Calculated density 2.39–2.47.
Optical Data of JuonniiteHide
This section is currently hidden. Click the show button to view.
RI values:
_n_α = 1.574(1) _n_β = 1.579(1) _n_γ = 1.582(2)
δ = 0.008
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of JuonniiteHide
This section is currently hidden. Click the show button to view.
Mindat Formula:
CaMgSc(PO4)2(OH) · 4H2O
Crystallography of JuonniiteHide
This section is currently hidden. Click the show button to view.
Crystal System:
Orthorhombic
Class (H-M):
m m m _(_2/_m_2/_m_2/m ) - Dipyramidal
Cell Parameters:
a = 15.03(5) Å, b = 18.95(4) Å, c = 7.59(1) Å
Ratio:
a:b:c = 0.793 : 1 : 0.401
Unit Cell V:
2,161.77 ų (Calculated from Unit Cell)
Morphology:
Platy crystals, subparallel, curved, to 12 µm, in spherulites
Comment:
Space Group: by analogy to overite
X-Ray Powder DiffractionHide
This section is currently hidden. Click the show button to view.
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
9.49 Å | (100) |
4.75 Å | (17) |
3.440 Å | (31) |
2.942 Å | (27) |
2.912 Å | (44) |
2.890 Å | (35) |
2.018 Å | (15) |
Geological EnvironmentHide
This section is currently hidden. Click the show button to view.
Type Occurrence of JuonniiteHide
This section is currently hidden. Click the show button to view.
General Appearance of Type Material:
Spherulites, to 0.8 mm across, consisting of subparallel, commonly curved, plates up to 12 mm across and 2 mm thick.
Place of Conservation of Type Material:
St. Petersburg Mining Institute, St. Petersburg, Russia.
Geological Setting of Type Material:
Incrustations in cavities and along contacts with ore minerals in metasomatically reworked calcite-phlogopite-clinohumite-magnetite ores in a calcite-dolomite carbonatitic stockwork zone.
Associated Minerals at Type Locality:
Reference:
Liferovich, R.P., Yakovenchuk, V.N., Pakhomovsky, Y.A., Bogdanova, A.N., Britvin, S.N. (1997) Juonniite, a new mineral of scandium from dolomitic carbonatites of the Kovdor massif. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 126(4): 80-88.
Synonyms of JuonniiteHide
This section is currently hidden. Click the show button to view.
Other Language Names for JuonniiteHide
This section is currently hidden. Click the show button to view.
Related Minerals - Strunz-mindat GroupingHide
This section is currently hidden. Click the show button to view.
8.DH. | Ferroberaunite | Fe2+Fe3+5(PO4)4(OH)5 · 6H2O | Mon. 2/m : _B_2/b |
---|---|---|---|
8.DH. | Rowleyite | [Na(NH4,K)9Cl4][V5+,4+2(P,As)O8]6 · n[H2O,Na,NH4,K,Cl] | Iso. |
8.DH. | Ammoniotinsleyite | (NH4)Al2(PO4)2(OH) · 2H2O | Mon. 2/m : _P_21/m |
8.DH. | Thebaite-(NH4) | (NH4)3Al(C2O4)(PO3OH)2(H2O) | Mon. 2/m : _P_21/b |
8.DH. | Dendoraite-(NH4) | (NH4)2NaAl(C2O4)(PO3OH)2(H2O)2 | Mon. 2/m |
8.DH. | Whiteite-(MnMnMn) | Mn2+Mn2+Mn2+2Al2(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH. | Whiteite-(CaMnFe) | CaMnFe2Al2(PO4)4(OH)2 · 8H2O | Mon. 2/m |
8.DH. | Hochleitnerite | Mn2Ti3(PO4)4O2(H2O)2 · 14H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
8.DH. | Regerite | KFe6(PO4)4(OH)7(H2O)6 · 4H2O | Mon. 2/m : _P_21/b |
8.DH.05 | Minyulite | KAl2(PO4)2F · 4H2O | Orth. m _m_2 : P b _a_2 |
8.DH.10 | Leucophosphite | KFe3+2(PO4)2(OH) · 2H2O | Mon. 2/m : _P_21/b |
8.DH.10 | Spheniscidite | (NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2O | Mon. 2/m |
8.DH.10 | Tinsleyite | KAl2(PO4)2(OH) · 2H2O | Mon. |
8.DH.15 | Jahnsite-(CaMnFe) | {Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Jahnsite-(CaMnMg) | {Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Jahnsite-(CaMnMn) | {Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Keckite | CaMn2+(Fe3+Mn2+)Fe3+2(PO4)4(OH)3 · 7H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Rittmannite | {(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Whiteite-(CaFeMg) | {Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_21/b |
8.DH.15 | Whiteite-(CaMnMg) | {Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O | Mon. 2/m |
8.DH.15 | Whiteite-(MnFeMg) | {(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_21/b |
8.DH.15 | Jahnsite-(MnMnMn) | {Mn2+}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_21/b |
8.DH.15 | Kaluginite | (Mn2+,Ca)MgFe3+(PO4)2(OH) · 4H2O | Orth. |
8.DH.15 | Jahnsite-(CaFeFe) | {Ca}{Fe2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. |
8.DH.15 | Jahnsite-(NaFeMg) | NaFe3+Mg2Fe3+2(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Jahnsite-(NaMnMg) | {(Na,Ca)}{(Mn2+,Fe3+)}{(Mg,Fe3+)2}{Fe3+2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Jahnsite-(CaMgMg) | {Ca}{Mg}{Mg2}{Fe3+2}(PO4)4(OH)2 · 8H2O | |
8.DH.15 | Whiteite-(CaMnMn) | {Ca}{Mn2+}{Mn2}{Al2}(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Whiteite-(MnMnMg) | MnMnMg2Al2(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Jahnsite-(MnMnMg) | Mn2+Mn2+Mg2Fe3+2(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Jahnsite-(CaFeMg) | CaFe2+Mg2Fe3+2(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Jahnsite-(MnMnFe) | Mn2+Mn2+Fe2+2Fe3+2(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Whiteite-(CaMgMg) | CaMg3Al2(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Jahnsite-(MnMnZn) | Mn2+Mn2+Zn2Fe3+2(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Jahnsite-(NaMnMn) | NaMn2+(Mn2+Fe3+)Σ2Fe3+2(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.15 | Jahnsite-(CaMnZn) | CaMn2+Zn2Fe3+2(PO4)4(OH)2 · 8H2O | Mon. 2/m : _P_2/b |
8.DH.20 | Lun'okite | (Mn,Ca)(Mg,Fe,Mn)Al(PO4)2OH · 4H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
8.DH.20 | Manganosegelerite | (Mn2+,Ca)(Mn2+,Fe2+,Mg)Fe3+(PO4)2(OH) · 4H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
8.DH.20 | Overite | CaMgAl(PO4)2(OH) · 4H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
8.DH.20 | Segelerite | Ca2 Mg2 Fe3+2(PO4)4(OH)2 · 8H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P c c a |
8.DH.20 | Wilhelmvierlingite | CaMnFe3+(PO4)2(OH) · 2H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
8.DH.25 | Calcioferrite | Ca2Fe3+2(PO4)3(OH) · 7H2O | Mon. 2/m : _B_2/b |
8.DH.25 | Kingsmountite | Ca3MnFeAl4(PO4)6(OH)4 · 12H2O | Tric. 1 : _P_1 |
8.DH.25 | Montgomeryite | Ca4MgAl4(PO4)6(OH)4 · 12H2O | Mon. 2 : _B_2 |
8.DH.25 | Zodacite | Ca4Mn2+Fe3+4(PO4)6(OH)4 · 12H2O | Mon. |
8.DH.25 | Fanfaniite | Ca4MnAl4(PO4)6(OH)4 · 12H2O | Mon. 2/m : _B_2/b |
8.DH.30 | Arseniosiderite | Ca2Fe3+3(AsO4)3O2 · 3H2O | Mon. 2/m : _B_2/b |
8.DH.30 | Kolfanite | Ca2Fe3+3O2(AsO4)3 · 2H2O | Mon. |
8.DH.30 | Mitridatite | Ca2Fe3+3(PO4)3O2 · 3H2O | Mon. 2/m : _B_2/b |
8.DH.30 | Pararobertsite | Ca2Mn3+3(PO4)3O2 · 3H2O | Mon. 2/m : _P_21/b |
8.DH.30 | Robertsite | Ca2Mn3+3(PO4)3O2 · 3H2O | Mon. m : B b |
8.DH.30 | Sailaufite | (Ca,Na,◻)2Mn3+3(AsO4)2(CO3)O2 · 3H2O | Mon. m : B m |
8.DH.35 | Mantienneite | KMg2Al2Ti(PO4)4(OH)3 · 15H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
8.DH.35 | Paulkerrite | K(Mg,Mn2+)2(Fe3+,Al,Ti,Mg)2Ti(PO4)4(OH)3 · 15H2O | Mon. m |
8.DH.35 | Benyacarite | (H2O)2Mn2Ti2Fe3+(PO4)4(OF)(H2O)10 · 4H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
8.DH.35 | Hydroxylbenyacarite | (H2O)2Mn2(Ti2Fe)(PO4)4[O(OH)](H2O)10 · 4H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P b c a |
8.DH.35 | Macraeite | K(H2O)Mn2(Fe2Ti)(PO4)4[O(OH)](H2O)10 · 4H2O | Mon. 2/m : _P_21/b |
8.DH.35 | Sperlingite | (H2O)K(Mn2+Fe3+)(Al2Ti)(PO4)4[O(OH)] [(H2O)9(OH)] · 4H2O | Mon. 2/m : _P_21/b |
8.DH.40 | Xanthoxenite | Ca4Fe3+2(PO4)4(OH)2 · 3H2O | Tric. 1 : _P_1 |
8.DH.45 | Mahnertite | NaCu3(AsO4)2Cl · 5H2O | Tet. 4/m m m _(_4/_m_2/_m_2/m ) : _I_4/m m m |
8.DH.50 | Andyrobertsite | KCdCu5(AsO4)4(H2AsO4) · 2H2O | Mon. 2/m : _P_21/m |
8.DH.50 | Calcioandyrobertsite | KCaCu5(AsO4)4(H2AsO4) · 2H2O | Mon. 2/m : _P_21/m |
8.DH.55 | Englishite | K3Na2Ca10Al15(PO4)21(OH)7 · 26H2O | Mon. 2/m |
8.DH.60 | Bouazzerite | Bi6(Mg,Co)11Fe3+14(AsO4)18(OH)4O12 · 86H2O | Mon. 2/m |
8.DH.65 | Galliskiite | Ca4Al2(PO4)2F8 · 5H2O | Tric. 1 : _P_1 |
8.DH.70 | Joteite | Ca2CuAl(AsO4)[AsO3(OH)]2(OH)2 · 5H2O | Tric. 1 : _P_1 |
8.DH.75 | Kampelite | Ba6Mg3Sc8(PO4)12(OH)6 · 7H2O | Orth. m m m _(_2/_m_2/_m_2/m ) : P n m a |
8.DH.80 | Kapundaite | NaCaFe4(PO4)4(OH)3 · 5H2O | Tric. 1 : _P_1 |
8.DH.85 | Vaniniite | Ca2Mn2+3Mn3+2O2(AsO4)4 · 2H2O | Mon. 2/m : _P_21/b |
Fluorescence of JuonniiteHide
This section is currently hidden. Click the show button to view.
Other InformationHide
This section is currently hidden. Click the show button to view.
IR Spectrum:
Absorption bands at 435, 447, 546, 582, 641, 878, 1022, 1050, 1120, 1435, 1663, 3025, 3130, 3410, and 3500 cm-1, corresponding to (H2O)4, (OH)-, and (PO4)3- groups.
Notes:
Slowly soluble in 10% HCl
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for JuonniiteHide
This section is currently hidden. Click the show button to view.
References for JuonniiteHide
This section is currently hidden. Click the show button to view.
Reference List:
Liferovich, R. P., Yakovenchuk, V. N., Pakhomovsky, Y. A., Bogdanova, A. N., Britvin, S. N. (1997) Juonniite, a new mineral of scandium from dolomitic carbonatites of the Kovdor massif. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 126 (4) 80-88
Localities for JuonniiteHide
This section is currently hidden. Click the show button to view.
This 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.
Locality ListHide
This section is currently hidden. Click the show button to view.
- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
Russia | |
---|---|
Murmansk Oblast Kovdorsky District ⓘ Kovdor Massif | Ivanyuk et al. (2017) |
ⓘ Kovdor Zheleznyi Mine (TL) | Liferovich et al. (1997) +4 other references |