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Paralstonite

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About ParalstoniteHide

Formula:
BaCa(CO3)2
Colour:
Colourless to white
Lustre:
Vitreous
Hardness:
4 - 4½
Crystal System:
Trigonal
Name:
Named from the Greek 'para' for near, and alstonite, for the polymorphic relationship with that mineral.
Polymorph of:

Classification of ParalstoniteHide

Approved
First Published:
1979
5.AB.40

5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
B : Alkali-earth (and other M2+) carbonates
14.2.2.2

14 : ANHYDROUS NORMAL CARBONATES
2 : AB(XO3)2
11.5.5

11 : Carbonates
5 : Carbonates of Sr and Ba

Pronounciation of ParalstoniteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of ParalstoniteHide

Vitreous
Colour:
Colourless to white
Hardness:
4 - 4½ on Mohs scale

Optical Data of ParalstoniteHide

Type:
Uniaxial (-)
RI values:
nω = 1.672 nε = 1.527
Max Birefringence:
δ = 0.145
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of ParalstoniteHide

Formula:
BaCa(CO3)2
Common Impurities:
Sr

Crystallography of ParalstoniteHide

Crystal System:
Trigonal
Cell Parameters:
a = 8.69 Å, c = 6.14 Å
Ratio:
a:c = 1 : 0.707
Unit Cell V:
401.55 ų (Calculated from Unit Cell)
Morphology:
Crusts composed of tiny pyramidal crystals to 1 mm.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0014766ParalstoniteEffenberger H (1980) Die kristallstruktur des minerals paralstonite, BaCa(CO3)2 Neues Jahrbuch fur Mineralogie, Monatshefte 1980 353-3631980Cave-in-Rock District, Illinois, USA0293
CIF Raw Data - click here to close

Type Occurrence of ParalstoniteHide

Associated Minerals at Type Locality:
Reference:
Roberts, A.C. (1979) Paralstonite: A new mineral from the Minerva No. 1 mine, Cave-in-Rock, Illinois. Geological Survey of Canada Paper 79-1C: 99-100.

Synonyms of ParalstoniteHide

Other Language Names for ParalstoniteHide

Relationship of Paralstonite to other SpeciesHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
3 photos of Paralstonite associated with CalciteCaCO3
3 photos of Paralstonite associated with FluoriteCaF2
1 photo of Paralstonite associated with WitheriteBaCO3

Related Minerals - Nickel-Strunz GroupingHide

5.AB.05CalciteCaCO3Trig. 3m (3 2/m) : R3c
5.AB.05GaspéiteNi(CO3)Hex.
5.AB.05MagnesiteMgCO3Trig. 3m (3 2/m) : R3c
5.AB.05OtaviteCdCO3Trig. 3m (3 2/m)
5.AB.05RhodochrositeMnCO3Trig. 3m (3 2/m) : R3c
5.AB.05SideriteFeCO3Trig. 3m (3 2/m) : R3c
5.AB.05SmithsoniteZnCO3Trig. 3m (3 2/m) : R3c
5.AB.05SpherocobaltiteCoCO3Trig. 3m (3 2/m) : R3c
5.AB.10AnkeriteCa(Fe2+,Mg)(CO3)2Trig. 3 : R3
5.AB.10DolomiteCaMg(CO3)2Trig. 3 : R3
5.AB.10KutnohoriteCaMn2+(CO3)2Trig. 3 : R3
5.AB.10MinrecorditeCaZn(CO3)2Trig. 3 : R3
5.AB.15AragoniteCaCO3Orth. mmm (2/m 2/m 2/m)
5.AB.15CerussitePbCO3Orth. mmm (2/m 2/m 2/m)
5.AB.15StrontianiteSrCO3Orth. mmm (2/m 2/m 2/m)
5.AB.15WitheriteBaCO3Orth. mmm (2/m 2/m 2/m)
5.AB.20VateriteCaCO3Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
5.AB.25HuntiteCaMg3(CO3)4Trig. 3 2 : R3 2
5.AB.30NorsethiteBaMg(CO3)2Trig. 3 2 : R3 2
5.AB.35AlstoniteBaCa(CO3)2Tric.
5.AB.40OlekminskiteSr(Sr,Ca,Ba)(CO3)2Trig. 3 2 : P3 2 1
5.AB.45BarytocalciteBaCa(CO3)2Mon. 2/m : P21/m
5.AB.50Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2Orth. mm2
5.AB.55BenstoniteBa6Ca6Mg(CO3)13Trig. 3 : R3
5.AB.60JuangodoyiteNa2Cu(CO3)2Mon. 2/m : P21/b

Related Minerals - Dana Grouping (8th Ed.)Hide

14.2.2.1NorsethiteBaMg(CO3)2Trig. 3 2 : R3 2
14.2.2.3OlekminskiteSr(Sr,Ca,Ba)(CO3)2Trig. 3 2 : P3 2 1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

11.5.1StrontianiteSrCO3Orth. mmm (2/m 2/m 2/m)
11.5.2WitheriteBaCO3Orth. mmm (2/m 2/m 2/m)
11.5.3NorsethiteBaMg(CO3)2Trig. 3 2 : R3 2
11.5.4AlstoniteBaCa(CO3)2Tric.
11.5.6BarytocalciteBaCa(CO3)2Mon. 2/m : P21/m
11.5.7BenstoniteBa6Ca6Mg(CO3)13Trig. 3 : R3

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 ParalstoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Roberts, A.C. (1978) Mineralogical study of an unnamed barium calcium carbonate from the Cave-in-Rock district, Illinois. Geological Survey of Canada Paper 78-1C; 49-52.
Roberts, A.C. (1979) Paralstonite: A new mineral from the Minerva No. 1 mine, Cave-in-Rock, Illinois. Geological Survey of Canada Paper 79-1C: 99-100.
Fleischer, M., Burns, R.G., Cabri, L.J., Chao, G.Y., Hogarth, D.D., Pabst, A. (1979) New mineral names. American Mineralogist: 64: 1329-1334.
Effenberger, H. (1980) Die kristallstruktur des minerals paralstonite, BaCa(CO3)2. Neues Jahrbuch für Mineralogie, Monatshefte 1980: 353-363.
Fleischer, M., Chao, G.Y., Francis, C.A., Pabst, A. (1981) New mineral names. American Mineralogist: 66: 217-220.
D. Spahr, L. Bayarjargal, V. Vinograd, R. Luchitskaia, V. Milman and B. Winkler (2019): A new BaCa(CO3)2 polymorph. Acta Crystallogr. B75, 291-300.

Internet Links for ParalstoniteHide

Localities for ParalstoniteHide

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.
China
 
  • Inner Mongolia
    • Baotou City (Baotou Prefecture)
      • Bayan Obo mining district
        • Bayan Obo
Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): Mineralogy and Geology of Rare Earths in China. Science Press (Beijing), pp. 226.
New Zealand
 
  • Otago Region
    • Queenstown-Lakes District
      • Makarora
Cooper, A.F., Patterson, L.A. (2008) Carbonatites from a lamprophyric dyke-swarm, South Westland, New Zealand. The Canadian Mineralogist, 46(4): 753-777.
  • West Coast Region
    • Westland District
Woolley, A. R. (2019, September). Alkaline Rocks and Carbonatites of the World, Part 4: Antarctica, Asia and Europe (excluding the former USSR), Australasia and Oceanic Islands. Geological Society of London, 283
Russia
 
  • Aldan Shield
    • Chara and Tokko Rivers Confluence
[Lapis 1993:4 p.13-20]
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
  • Murmansk Oblast
    • Kolsky District
Sorokhtina, N.V., Chukanov, N.V., Voloshin, A.V., Pakhomovsky, Y.A., Bogdanova, A.N., and Moiseev, M.M. (2008): Geology of Ore Deposits 50(7), 620-628.
  • Sakha Republic (Yakutia)
    • Mirninsky District
      • Daldyn
Sharygin, V. V., Kamenetsky, V. S., & Kamenetsky, M. B. (2008). Potassium sulfides in kimberlite-hosted chloride–“nyerereite” and chloride clasts of Udachnaya-East pipe, Yakutia, Russia. The Canadian Mineralogist, 46(4), 1079-1095.
UK
 
  • Wales
    • Powys
      • Old Radnor
T.F. Cotterell : "The mineralogy of Dolyhir quarry, Old Radnor, Powys, Wales, U.K. - a major new mineralogical site in Wales", 5th International Conference "Mineralogy & Museums", Paris, Sept. 5-8th 2004, Bull. de Liaison de la Soc. Franç. de Minéralogie et Cristallographie, 2004, Vol 16, N°2.; Cotterell, T., Green, D., Hubbard, N., Mason, J.S., Starkey, R., Tindle, A. (2011) The Mineralogy of Dolyhir Quarry, Old Radnor, Powys, Wales. UK Journal of Mines and Minerals, 32, 5-61.
USA
 
  • Illinois
    • Hardin Co.
Mineralogical Record, v. 28, no. 1, 1997
        • Ozark-Mahoning group
A. C. Roberts (1979) Paralstonite, a new mineral from the Minerva no. 1 mine, Cave-in-Rock, Illinois. Geol. Surv. Can. Pap.,79-lC, 99-100.; Mineralogical Record (1997) 28:3-49
      • Harris Creek Mining Sub-District
Mineralogical Record (1997) 28:3-49
 
Mineral and/or Locality  
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