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Rimkorolgite

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About RimkorolgiteHide

Olga M. Rimskaya-Korsakov
Formula:
(Mg,Mn)5(Ba,Sr,Ca)(PO4)4 · 8H2O
Colour:
Yellow-brown to dirty pink
Lustre:
Vitreous
Hardness:
3
Crystal System:
Orthorhombic
Name:
Named in honor of Mikhailovna Rimskaya-Korsakov, Olga (Oльги Михайловны Римской-Корсаковой) (29 April 1914, St. Petersburg - 18 October 1987), a Russian mineralogist from St. Petersburg University. She was an expert on the Kovdor area, doing 25 years of field work there.

Structurally related to bakhchisaraitsevite and liversidgeite.


Classification of RimkorolgiteHide

Approved
First Published:
1995
8.CH.45

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
H : With large and medium-sized cations, RO4:H2O < 1:1

Physical Properties of RimkorolgiteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Yellow-brown to dirty pink
Streak:
White
Hardness:

Optical Data of RimkorolgiteHide

Type:
Biaxial (+)
RI values:
nα = 1.552 nβ = 1.552 nγ = 1.558
2V:
Measured: 23°
Max Birefringence:
δ = 0.006
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
weak to distinct

Chemical Properties of RimkorolgiteHide

Formula:
(Mg,Mn)5(Ba,Sr,Ca)(PO4)4 · 8H2O
IMA Formula:
BaMg5(PO4)4 · 8H2O

Crystallography of RimkorolgiteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 12.83 Å, b = 8.33 Å, c = 18.31 Å
Ratio:
a:b:c = 1.54 : 1 : 2.198
Unit Cell V:
1,956.86 ų (Calculated from Unit Cell)

Type Occurrence of RimkorolgiteHide

Place of Conservation of Type Material:
Mineralogical Museum of the St. Petersburg Mining Institute.
Mineralogical Museum of the Mineralogical Chair of St. Petersburg University, Russia.
Reference:
Britvin, S.N., Pakhomovsky, Y.A., Bogdanova, A.N., Khomjakov, A.P., Krashova, N.I. (1995) Rimkorolgite (Mg,Mn)5(Ba,Sr,Ca) (PO4)4·8H2O — the new mineral from Kovdor iron deposit (Kola Peninsula). Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 124(1): 90-95.

Synonyms of RimkorolgiteHide

Other Language Names for RimkorolgiteHide

Simplified Chinese:磷钡镁石
Spanish:Rimkorolgita
Traditional Chinese:磷鋇鎂石

Common AssociatesHide

Associated Minerals Based on Photo Data:
Calcite1 photo of Rimkorolgite associated with Calcite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.CH.05WalentaiteH(Ca,Mn2+,Fe2+)Fe3+3(AsO4,PO4)4 · 7H2OOrth.
8.CH.10AnapaiteCa2Fe2+(PO4)2 · 4H2OTric. 1 : P1
8.CH.15PicropharmacoliteCa4Mg(AsO4)2(HAsO4)2 · 11H2OTric. 1 : P1
8.CH.20Dittmarite(NH4)Mg(PO4) · H2OOrth.
8.CH.20Niahite(NH4)(Mn2+,Mg)(PO4) · H2OOrth. mm2 : Pmn21
8.CH.25FrancoanelliteK3Al5(PO4)2(HPO4)3 · 12H2OTrig.
8.CH.25Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2OTrig. 3m (3 2/m) : R3c
8.CH.30Schertelite(NH4)2MgH2(PO4)2 · 4H2OOrth.
8.CH.35Hannayite(NH4)2Mg3H4(PO4)4 · 8H2OTric. 1 : P1
8.CH.40Struvite(NH4)Mg(PO4) · 6H2OOrth. mm2
8.CH.40Struvite-(K)KMg(PO4)·6H2OOrth. mm2 : Pmn21
8.CH.40HazeniteKNaMg2(PO4)2 · 14H2OOrth. mm2
8.CH.50BakhchisaraitseviteNa2Mg5(PO4)4 · 7H2OMon.
8.CH.55FahleiteCaZn5Fe3+2(AsO4)6 · 14H2OOrth.
8.CH.55SmolyaninoviteCo3Fe3+2(AsO4)4 · 11H2OOrth.
8.CH.60Barahonaite-(Al)(Ca,Cu,Na,Fe3+,Al)12Al2(AsO4)8(OH,Cl)x · nH2OMon. 2/m : P2/b
8.CH.60Barahonaite-(Fe)(Ca,Cu,Na,Fe3+,Al)12Fe3+2(AsO4)8(OH,Cl)x · nH2OMon. 2/m : P2/b

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for RimkorolgiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Britvin, S.N., Pakhomovsky, Y.A., Bogdanova, A.N., Khomjakov, A.P., Krashova, N.I. (1995) Rimkorolgite (Mg,Mn)5(Ba,Sr,Ca) (PO4)4·8H2O — the new mineral from Kovdor iron deposit (Kola Peninsula). Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 124(1): 90-95.
Jambor, J.L., Pertsev, N.N., Roberts, A.C. (1996) New mineral names. American Mineralogist: 81: 516-520.
Mineralogical Record: 27: 305.
Krivovichev, S.V., Britvin, S.N., Burns, P.C., Yakovenchuk, V.N. (2002) Crystal structure of rimkorolgite, Ba[Mg5(H2O)7(PO4)4](H2O), and its comparison with bakhchisaraitsevite. European Journal of Mineralogy: 14: 397-402.

Internet Links for RimkorolgiteHide

Localities for RimkorolgiteHide

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 locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia
 
  • Northern Region
    • Murmanskaya Oblast'
Subbotin, R. P. L. V. V., & Pakhomovsky, Y. A. (1998). A new type of scandium mineralization in phoscorites and carbonatites of the Kovdor massif, Russia. Canadian Mineralogist 36:971-980.
Mineralogical Record 27: 305.; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow.; Jambor, J.L. and Roberts, A.C. (2001) New mineral names. American Mineralogist: 86: 197-200.; Yakovenchuk, V.N., Ivanyuk, G.Y., Mikhailova, Y.A., Selivanova, E.A., and Krivovichev, S.V. (2006) Pakhomovskyite, Co3(PO4)2·8H2O, a new mineral species from Kovdor, Kola Peninsula, Russia. The Canadian Mineralogist: 44: 117-123.
Mikhailova, J. A., Kalashnikov, A. O., Sokharev, V. A., Pakhomovsky, Y. A., Konopleva, N. G., Yakovenchuk, V. N., ... & Ivanyuk, G. Y. (2016). 3D mineralogical mapping of the Kovdor phoscorite–carbonatite complex (Russia). Mineralium Deposita, 51(1), 131-149.
Mineral and/or Locality  
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