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Paraumbite

A valid IMA mineral species
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03922210014968020425950.jpg
Paraumbite, etc.

Wadeite point, Eveslogchorr Mt, Khibiny Massif, Murmansk Oblast, Russia
07948150014950589142166.jpg
Paraumbite, etc.

Khibiny Massif, Murmansk Oblast, Russia
08680440015859724727331.jpg
Paraumbite

Eveslogchorr Mt, Khibiny Massif, Murmansk Oblast, Russia
01305030014950589148193.jpg
Paraumbite, etc.

Wadeite point, Eveslogchorr Mt, Khibiny Massif, Murmansk Oblast, Russia
03975840014950589144107.jpg
Paraumbite, etc.

Khibiny Massif, Murmansk Oblast, Russia
00567580014986036233378.jpg
Paraumbite

Eveslogchorr Mt, Khibiny Massif, Murmansk Oblast, Russia
06855360014951122684411.jpg
Paraumbite, etc.

Wadeite point, Eveslogchorr Mt, Khibiny Massif, Murmansk Oblast, Russia
07948150014950589142166.jpg
Paraumbite, etc.

Khibiny Massif, Murmansk Oblast, Russia
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About ParaumbiteHide

Formula:
K3Zr2H(Si3O9)2 · nH2O
Colour:
Colorless to white, gray, pale green
Lustre:
Vitreous, Pearly
Hardness:
4½
Specific Gravity:
2.59
Crystal System:
Orthorhombic
Name:
Name derives from the Greek 'para' for near, and umbite, for the close structural similarity to that mineral.
This page provides mineralogical data about Paraumbite.


Unique IdentifiersHide

Mindat ID:
3117
Long-form identifier:
mindat:1:1:3117:8
GUID
(UUID V4):
fcb1979d-db72-4912-8bb1-87d7b3d90455

IMA Classification of ParaumbiteHide

Classification of ParaumbiteHide

Strunz-mindat (2023):
9.DG.25

9 : SILICATES (Germanates)
D : Inosilicates
G : Inosilicates with 3-periodic single and multiple chains
Dana 8th ed.:
59.2.1.2

59 : CYCLOSILICATES Three-Membered Rings
2 : Three-Membered Rings, hydrated
Hey's CIM Ref.:
14.10.17

14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
PumbIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of ParaumbiteHide

Lustre:
Vitreous, Pearly
Transparency:
Transparent, Translucent
Comment:
pearly on cleavages.
Colour:
Colorless to white, gray, pale green
Streak:
white
Hardness:
4½ on Mohs scale
Hardness:
VHN100=280 - 504 - Vickers
Cleavage:
Perfect
(010) micaceous, (100) and {110}, less perfect
Fracture:
Irregular/Uneven
Density:
2.59 g/cm3 (Measured)    2.92 g/cm3 (Calculated)

Optical Data of ParaumbiteHide

Type:
Biaxial (-)
RI values:
nα = 1.588(2) nβ = 1.601(2) nγ = 1.610(2)
2V:
Measured: 82° , Calculated: 78°
Max Birefringence:
δ = 0.022
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively strong

Chemistry of ParaumbiteHide

Mindat Formula:
K3Zr2H(Si3O9)2 · nH2O
Elements listed:
H, K, O, Si, Zr - search for minerals with similar chemistry
Common Impurities:
Ti,Hf,Fe,Na,K

Crystallography of ParaumbiteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Cell Parameters:
a = 10.36(2) Å, b = 13.27(2) Å, c = 14.56(1) Å
Ratio:
a:b:c = 0.781 : 1 : 1.097
Unit Cell V:
2,001.67 ų (Calculated from Unit Cell)
Z:
4
Comment:
Space Group: P2cm:

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.46 Å(80)
5.95 Å(100)
3.34 Å(70)
3.01 Å(90)
2.90 Å(70)
2.56 Å(60)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 3a: Earth’s earliest Hadean crust>4.50
9 : Lava/xenolith minerals (hornfels, sanidinite facies)
Near-surface Processes
22 : Hydration and low-𝑇 subsurface aqueous alteration (see also #23)
Stage 4b: Highly evolved igneous rocks>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of ParaumbiteHide

Type Locality:
ⓘ Eveslogchorr Mt, Khibiny Massif, Murmansk Oblast, Russia
General Appearance of Type Material:
Equant crystals, to 1 mm; massive.
Place of Conservation of Type Material:
Geology Museum, Kola Branch, Academy of Sciences, Apatity, Russia, 5842, 5843.
Mineralogical Museum, St. Petersburg University, St. Petersburg, Russia, 17065.
Mining Institute, St. Petersburg, Russia, 1630/1.
Il'menskii Preserve Museum, Miass, Russia, 13095vr.
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 82760, vis3464, vis4544, vis4545, vis5045.
Geological Setting of Type Material:
Replacing wadeite in a pegmatite in a differentiated alkalic massif.
Associated Minerals at Type Locality:
WadeitePectoliteNatroliteK FeldsparGaidonnayite
Eudialyte
Reference:
Khomyakov, A.P., Voronkov, A.A., Kobyashev, Y.S., Polezhaeva, L.I. (1983) Umbite and paraumbite, new potassium zirconosilicates from the Khibina alkali massif. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 112: 461 469 (Russian).
Download:
http://rruff.info/rruff_1.0/uploads/ZVMO112N4_461.pdf

Synonyms of ParaumbiteHide

Other Language Names for ParaumbiteHide

German:Paraumbit
Spanish:Paraumbita

Common AssociatesHide

Associated Minerals Based on Photo Data:
6 photos of Paraumbite associated with EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
2 photos of Paraumbite associated with AegirineNaFe3+Si2O6
2 photos of Paraumbite associated with AstrophylliteK2NaFe2+7Ti2Si8O26(OH)4F
1 photo of Paraumbite associated with NephelineNa3K(Al4Si4O16)

Related Minerals - Strunz-mindat GroupingHide

9.DG.CalcinaksiteKNaCa(Si4O10) · H2OTric. 1 : P1
9.DG.Barrydawsonite-(Y)Na1.5Y0.5CaSi3O8(OH)Mon. 2/m : P21/b
9.DG.ParatobermoriteCa4(Al0.5Si0.5)2Si4O16(OH)(H2O)2 · (Ca · 3H2O)Mon. 2/m
9.DG.EnricofrancoiteKNaCaSi4O10Tric. 1 : P1
9.DG.AlvesiteNaKZrSi6O15 · 2H2OOrth. mmm (2/m 2/m 2/m)
9.DG.02SteedeiteNaMn2[Si3BO9](OH)2Tric. 1 : P1
9.DG.02NolzeiteNaMn2[Si3BO9](OH)2 · 2H2OTric. 1 : P1
9.DG.05BustamiteCaMn2+(Si2O6)Tric. 1 : P1
9.DG.05FerrobustamiteCaFe2+(Si2O6)Tric. 1
9.DG.05PectoliteNaCa2Si3O8(OH)Tric. 1 : P1
9.DG.05SeranditeNaMn2+2Si3O8(OH)Tric. 1 : P1
9.DG.05WollastoniteCa3(Si3O9)Tric. 1 : P1
9.DG.05Wollastonite-1ACaSiO3Tric. 1 : P1
9.DG.05TanohataiteLiMn2Si3O8(OH)Tric. 1 : P1
9.DG.05SchizoliteNaCaMnSi3O8(OH)Tric. 1 : P1
9.DG.05MurakamiiteLiCa2Si3O8(OH)Tric. 1 : P1
9.DG.05DalnegorskiteCa5Mn(Si3O9)2Tric. 1 : P1
9.DG.07CascanditeCaScSi3O8(OH)Tric. 1
9.DG.08Plombièrite[Ca4Si6O16(OH)2 · 2H2O] · (Ca · 5H2O)Orth.
9.DG.10Clinotobermorite[Ca4Si6O17 · 2H2O] · (Ca · 3H2O)Mon.
9.DG.10RiversideiteCa5(HSi3O9)2 · 2H2OOrth.
9.DG.10TobermoriteCa4Si6O17(H2O)2 · (Ca · 3H2O)Mon. 2 : P21
9.DG.12JusiteNa2Ca15Al4Si16O54 · 17H2O
9.DG.12KenotobermoriteCa4Si6O15(OH)2(H2O)2 · 3H2OMon.
9.DG.15FoshagiteCa4(Si3O9)(OH)2Tric. 1 : P1
9.DG.20JenniteCa9(Si3O9)2(OH)8 · 8H2OTric. 1 : P1
9.DG.20KameneviteK2TiSi3O9 · H2OOrth. 2 2 2 : P21 21 21
9.DG.25UmbiteK2(Zr,Ti)Si3O9 · H2OOrth. 2 2 2 : P21 21 21
9.DG.30SørenseniteNa4SnBe2Si6O16(OH)4Mon. 2/m : B2/b
9.DG.32Escheite Ca2NaMnTi5[Si12O34]O2(OH)3 · 12H2OOrth. mm2 : Ama2
9.DG.35XonotliteCa6(Si6O17)(OH)2Mon. 2/m : B2/m
9.DG.40HillebranditeCa2(SiO3)(OH)2Orth. mmm (2/m 2/m 2/m) : Cmcm
9.DG.45ZoriteNa8(Ti,Nb)5(Si6O17)2(OH,O)5 · 14H2OOrth.
9.DG.45ChivruaiiteCa4(Ti,Nb)5(Si6O17)2(OH,O)5 · 13-14H2OOrth. mmm (2/m 2/m 2/m) : Cmmm
9.DG.50Haineaultite(Na,Ca)5Ca(Ti,Nb)5(Si6O17)2(OH,F)8 · 5H2OOrth. 2 2 2 : C2 2 2
9.DG.55EpididymiteNa2Be2Si6O15 · H2OOrth. mmm (2/m 2/m 2/m) : Pnma
9.DG.60EudidymiteNa2Be2Si6O15 · H2OMon. 2/m : B2/b
9.DG.65ElpiditeNa2ZrSi6O15 · 3H2OOrth.
9.DG.65PatyniteNaKCa4[Si9O23]Tric. 1 : P1
9.DG.67WhelaniteCu2+2Ca6[Si6O17(OH)](CO3)(OH)3 · 2H2OOrth. mm2 : Pnn2
9.DG.70Fenaksite(K,Na)4(Fe,Mn)2(Si4O10)2(OH,F)Tric. 1 : P1
9.DG.70LitidioniteCuNaKSi4O10Tric. 1 : P1
9.DG.70ManaksiteKNaMnSi4O10Tric. 1 : P1
9.DG.70YusupoviteNa2Zr(Si6O15) · 2.5H2OMon. 2/m : B2/m
9.DG.75TinaksiteK2Na(Ca,Mn2+)2TiO[Si7O18(OH)]Tric.
9.DG.75TokkoiteK2Ca4[Si7O18(OH)](OH,F)Tric.
9.DG.75SenkevichiteCsKNaCa2TiO[Si7O18](OH)Tric. 1 : P1
9.DG.80CanasiteK3Na3Ca5Si12O30(OH)4Mon. m : Bm
9.DG.80FluorcanasiteK3Na3Ca5Si12O30F4 · H2OMon. m : Bm
9.DG.85MiseriteK1.5-x(Ca,Y,REE)5(Si6O15)(Si2O7)(OH,F)2 · yH2OTric.
9.DG.90FrankameniteK3Na3Ca5(Si12O30)(F,OH)4 · H2OTric. 1 : P1
9.DG.92Charoite(K,Sr)15-16(Ca,Na)32[Si6O11(O,OH)6]2[Si12O18(O,OH)12]2[Si17O25(O,OH)18]2(OH,F)4 · ~3H2OMon. 2/m : P21/m
9.DG.95YuksporiteK4(Ca,Na)14(Sr,Ba)2(◻,Mn,Fe)(Ti,Nb)4(O,OH)4(Si6O17)2(Si2O7)3(H2O,OH)3Mon. 2/m : P21/m
9.DG.97Eveslogite(Na,K,Ca,Sr,Ba)48 [(Ti,Nb,Mn,Fe2+)12Si48O144(OH)12](F,OH,Cl)14Mon. 2/m : P2/m

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.

Internet Links for ParaumbiteHide

References for ParaumbiteHide

Localities for ParaumbiteHide

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 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.
Canada
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
166-175.
GRICE, J.D. (1989) Mont Saint-Hilaire, Quebec: Canada's Most Diverse Mineral Locality. In: Famous mineral localities of Canada. Published by Fitzhenry & Whiteside Limited & the National Museum of Natural Sciences, 190 pages: 100-108
Horváth, László, Gault, Robert A. (1990) The Mineralogy of Mont Saint-Hilaire, Quebec. The Mineralogical Record, 21 (4) 281-359
Russia (TL)
 
  • Murmansk Oblast
    • Khibiny Massif
World of Stones 95:5-6, p. 64]
[ZVMO,(1983) 112, 461-469
Pekov, Igor V. (1998) Minerals first discovered on the territory of the former Soviet Union. Ocean Pictures, Moscow. 369pp.
Pavel.M. Kartashov (n.d.) analytical data.
Arzamastsev, Andrei., Yakovenchuk, Victor., Pakhomovsky, Yakov., Ivanyuk, Gregory (2008) Guidebook for 33rd International Geological Congress Excursion - The Khibina and Lovozero alkaline massifs:Geology and unique mineralization Vol. 47. IUGS - International Union of Geological Sciences.
PEKOV, I.V. & NIKOLAEV, A.P. (2013) Minerals of the pegmatites and hydrothermal assemblages of the Koashva deposit (Khibiny, Kola Peninsula, Russia). Mineralogical Almanac 189(2), 7-65.
Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. (2000) Handbook of Mineralogy Vol. 4 - Arsenates, phosphates, vanadates. Mineral Data Publishing, Tucson, Arizona.
USA
 
  • Arkansas
    • Hot Spring County
TICE, P.E., FALSTER, A.U., and SIMMONS, W.B. (2000) Mineralogy of pegmatite bodies with rare-element syenite of the Magnet Cove igneous complex, Hot Springs Co., Arkansas. Abstracts with Program, 27rd Rochester Mineralogical Symposium, 2000, 12-13. Rocks and Minerals, 76, 257.
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