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Guérinite

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Formula:
Ca5(AsO4)2(HAsO4)2 · 9H2O
Colour:
Colorless
Lustre:
Sub-Vitreous, Silky, Pearly
Hardness:
Specific Gravity:
2.68 - 2.76
Crystal System:
Monoclinic
Name:
Named by Yevgeny I. Nefedov in 1961 for Henri Guérin [1906- ], French chemist who synthesized the compound.
Dimorph of:
Acicular, bladed, or tabular crystals.


Hide all sections | Show all sections

Classification of GuériniteHide

Approved, 'Grandfathered' (first described prior to 1959)
8.CJ.75

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
J : With only large cations
39.2.2.2

39 : HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
2 : (AB)5[HXO4]2[XO4]2.xH2O
20.2.11

20 : Arsenates (also arsenates with phosphate, but without other anions)
2 : Arsenates of Be, Mg, Ca or Ba

Physical Properties of GuériniteHide

Sub-Vitreous, Silky, Pearly
Transparency:
Transparent, Translucent
Colour:
Colorless
Streak:
White
Hardness:
1½ on Mohs scale
Tenacity:
Brittle
Density:
2.68 - 2.76 g/cm3 (Measured)    2.74 g/cm3 (Calculated)
Comment:
Acta Cryst. B (1974) 30:1789 structure

Optical Data of GuériniteHide

Type:
Biaxial (-)
RI values:
nα = 1.574 - 1.576 nβ = 1.582 nγ = 1.582 - 1.584
2V:
Measured: 7° to 5°
Birefringence:
0.008
Max Birefringence:
δ = 0.008
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v strong, also r < v
Optical Extinction:
Z=elongation
Pleochroism:
Non-pleochroic

Chemical Properties of GuériniteHide

Formula:
Ca5(AsO4)2(HAsO4)2 · 9H2O
IMA Formula:
Ca5(AsO3OH)2(AsO4)2 · 9H2O

Crystallography of GuériniteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 17.63 Å, b = 6.734 Å, c = 23.47 Å
β = 90.6°
Ratio:
a:b:c = 2.618 : 1 : 3.485
Unit Cell V:
2,786.22 ų (Calculated from Unit Cell)
Z:
5
Comment:
P21/n (synthetic)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
14.0 (100)
11.7 (40)
8.7 (30)
4.84 (40)
3.89 (80)
3.49 (60)
3.01 (80)
2.90 (80)
Comments:
ICDD 26-1055

Type Occurrence of GuériniteHide

Other Language Names for GuériniteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Picropharmacolite31 photos of Guérinite associated with Picropharmacolite on mindat.org.
Sainfeldite13 photos of Guérinite associated with Sainfeldite on mindat.org.
Erythrite8 photos of Guérinite associated with Erythrite on mindat.org.
Weilite7 photos of Guérinite associated with Weilite on mindat.org.
Realgar6 photos of Guérinite associated with Realgar on mindat.org.
Rauenthalite4 photos of Guérinite associated with Rauenthalite on mindat.org.
Phaunouxite4 photos of Guérinite associated with Phaunouxite on mindat.org.
Pharmacolite4 photos of Guérinite associated with Pharmacolite on mindat.org.
Calcite4 photos of Guérinite associated with Calcite on mindat.org.
Orpiment3 photos of Guérinite associated with Orpiment on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.CJ.05StercoriteNa(NH4)HPO4 · 4H2OTric.
8.CJ.10Mundrabillaite(NH4)2Ca(HPO4)2 · H2OMon. m : Pm
8.CJ.10Swaknoite(NH4)2Ca(HPO4)2 · H2OOrth.
8.CJ.15NabaphiteNaBaPO4 · 9H2OIso.
8.CJ.15NastrophiteNa(Sr,Ba)PO4 · 9H2O
8.CJ.20HaidingeriteCaHAsO4 · H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
8.CJ.25VladimiriteCa4(AsO4)2(AsO3OH) · 4H2OMon. 2/m : P21/b
8.CJ.30FerrarisiteCa5(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
8.CJ.35Machatschkiite(Ca,Na)6(AsO4)(HAsO4)3(PO4,SO4) · 15H2OHex.
8.CJ.40PhaunouxiteCa3(AsO4)2 · 11H2OTric.
8.CJ.40RauenthaliteCa3(AsO4)2 · 10H2OTric. 1 : P1
8.CJ.45Brockite(Ca,Th,Ce)PO4 · H2OHex. 6 2 2 : P62 2 2
8.CJ.45Grayite(Th,Pb,Ca)(PO4) · H2OHex. 6 2 2 : P62 2 2
8.CJ.45Rhabdophane-(Ce)(Ce,La)(PO4) · H2OHex. 6 2 2 : P62 2 2
8.CJ.45Rhabdophane-(La)(La,Ce)(PO4) · H2OHex. 6 2 2 : P62 2 2
8.CJ.45Rhabdophane-(Nd)(Nd,Ce,La)(PO4) · H2OHex. 6 2 2 : P62 2 2
8.CJ.45Tristramite(Ca,U,Fe)(PO4,SO4) · 2H2OHex.
8.CJ.45SmirnovskiteCaTh(PO4)2 · nH2OHex. 6 2 2 : P62 2 2
8.CJ.50ArdealiteCa2(HPO4)(SO4) · 4H2OMon. m : Bb
8.CJ.50BrushiteCa(HPO4) · 2H2OMon. 2/m : B2/b
8.CJ.50Churchite-(Y)Y(PO4) · 2H2OMon. 2/m : B2/b
8.CJ.50PharmacoliteCa(HAsO4) · 2H2OMon. m
8.CJ.50Churchite-(Nd)Nd(PO4) · 2H2OMon.
8.CJ.55McneariteNaCa5(AsO4)(HAsO4)4 · 4H2OTric.
8.CJ.60DorfmaniteNa2HPO4 · 2H2OOrth.
8.CJ.65SincositeCa(VO)2(PO4)2 · 5H2OTet. 4/mmm (4/m 2/m 2/m) : P42/nnm
8.CJ.65BariosincositeBa(VO)2(PO4)2 · 4H2OTet.
8.CJ.70CatalanoiteNa2(HPO4) · 8H2OOrth. mmm (2/m 2/m 2/m) : Ibca
8.CJ.85NingyoiteCaU(PO4)2 · 1-2H2OOrth.

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

39.2.2.1VladimiriteCa4(AsO4)2(AsO3OH) · 4H2OMon. 2/m : P21/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

20.2.1BearsiteBe2(AsO4)(OH) · 4H2OMon.
20.2.2BrassiteMg(HAsO4) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
20.2.3RößleriteMg(HAsO4) · 7H2OMon. 2/m : B2/b
20.2.4HörnesiteMg3(AsO4)2 · 8H2OMon. 2/m : B2/m
20.2.5WeiliteCa(HAsO4)Tric. 1 : P1
20.2.6JohnbaumiteCa5(AsO4)3OHHex. 6/m : P63/m
20.2.7HaidingeriteCaHAsO4 · H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
20.2.8PharmacoliteCa(HAsO4) · 2H2OMon. m
20.2.9SainfelditeCaCa2Ca2(AsO4)2(HAsO4)2 · 4H2OMon. 2/m : B2/b
20.2.10VladimiriteCa4(AsO4)2(AsO3OH) · 4H2OMon. 2/m : P21/b
20.2.12FerrarisiteCa5(AsO4)2(HAsO4)2 · 9H2OTric. 1 : P1
20.2.13RauenthaliteCa3(AsO4)2 · 10H2OTric. 1 : P1
20.2.14PhaunouxiteCa3(AsO4)2 · 11H2OTric.
20.2.15McneariteNaCa5(AsO4)(HAsO4)4 · 4H2OTric.
20.2.16BergslagiteCaBeAsO4(OH)Mon. 2/m : P21/b
20.2.17AdeliteCaMg(AsO4)(OH)Orth. 2 2 2 : P21 21 21
20.2.18TalmessiteCa2Mg(AsO4)2 · 2H2OTric.
20.2.19IrhtemiteCa4Mg(AsO4)2(HAsO4)2 · 4H2OMon.
20.2.20CamgasiteCaMg(AsO4)(OH) · 5H2OMon. 2/m : P21/m
20.2.21PicropharmacoliteCa4Mg(AsO4)2(HAsO4)2 · 11H2OTric. 1 : P1
20.2.22BariopharmacosideriteBa0.5Fe3+4(AsO4)3(OH)4 · 5H2OTet. 4 2m : P4 2m

Fluorescence of GuériniteHide

Not fluorescent.

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 GuériniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist: 47: 416.
Pierrot, R. (1964): Contribution à la minéralogie des arséniates calciques et calcomagnésiens naturels. Bull. Soc. fr. Minéral. Cristallogr. 87, 169-211.
American Mineralogist (1965): 50: 812.
Acta Crystallographica (1974): B30: 1789-1794. [structure]

Internet Links for GuériniteHide

Localities for GuériniteHide

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.
Canada
 
  • Ontario
    • Timiskaming District
      • Cobalt-Gowganda region
        • Cobalt area
          • Coleman Township
Reiner Mielke 2015
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Příbram
        • Háje
Minerál 5/1995; Ondruš, P. & Hyršl, J. (1989): New finds and revision of secondary minerals from Příbram district. Acta Universitatis Carolinae, Geologica 1989, 521-533.
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
Lapis 2002(7/8), 63-65
  • Moravia (Mähren; Maehren)
    • Olomouc Region
      • Javorník (Jauernig)
Sejkora, J.: Uranové ložisko Zálesí v Rychlebských horách. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1994, roč. 2, s. 105-110.
France
 
  • Grand Est
    • Haut-Rhin
      • Ste Marie-aux-Mines (Markirch)
P&T N°23-24, H. BARI 1982, Minéralogie des filons du Neuenberg à Sainte Marie aux Mines (Haut-Rhin).
          • Sankt Jakob vein
Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997
P&T N°23-24, H. BARI 1982, Minéralogie des filons du Neuenberg à Sainte Marie aux Mines (Haut-Rhin).
      • Thur valley (Thann valley)
        • Kruth
Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997; U. Kolitsch (1997): Neufunde von Mineralien aus einigen Vorkommen der Vogesen, Frankreich: Giromagny, Auxelles-Haut und Kruth 1. Aufschluss 48 (4), 243-256.
  • Occitanie
    • Aude
      • Carcassonne
        • Mas-Cabardès
          • Salsigne
Josef Vajdak, Pequa Rare Minerals, Massapequa, NY
  • Provence-Alpes-Côte d'Azur
    • Alpes-Maritimes
      • Duranus
Perroud, P. (1989). "Les minéraux de Duranus." Le Cristallier Suisse, 8(5),pp:216-230
Cuchet S. (2000), Mystérieuse irhtémite à Lucéram, Alpes-Maritimes, Le Règne Minéral, n°36, pp: 38-42
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Hornberg
Gröbner, J. & Schrenk, D. (2005): Die Mineralien des Tunnels bei Hornberg. Der Erzgräber 19, 17-25. (in German)
      • Schenkenzell
        • Wittichen
Carsten Slotta collection
          • Heubach Valley
No reference listed
      • Wolfach
        • Oberwolfach
          • Rankach valley
Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
  • Hesse
    • Richelsdorf District
      • Bauhaus
various collections (see photos)
      • Nentershausen
        • Süß
          • Richelsdorf Smelter
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
  • Lower Saxony
    • Harz
      • St Andreasberg District
        • St Andreasberg
No reference listed
  • Saxony-Anhalt
    • Harz
      • Wernigerode
        • Hasserode
Wittern: "Mineralfundorte in Deutschland", 2001
  • Saxony
    • Erzgebirge
      • Marienberg District
        • Lauta
Hajek, W. (2010): Kristallwelten Marienberg. Weise Verlag, München.
      • Schlema-Hartenstein District
T. Witzke (1992) Mineralien-Welt 3(6), 16-18
      • Schneeberg District
        • Neustädtel
Bulletin de Minéralogie 87 (1964), 169; Wittern: "Mineralfundorte in Deutschland", 2001
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Plaka
          • Plaka Mines
Kolitsch, U., Rieck, B., Brandstätter, F., Schreiber, F., Fabritz, K. H., Blaß, G. & Gröbner, J. (2014): Neufunde aus dem altem Bergbau und den Schlacken von Lavrion (I). Mineralien-Welt 25 (1), 60-75 (in German).
Japan
 
  • Kyushu Region
    • Oita prefecture
      • Saiki City
        • Kiura mine (Shin-Kiura mine; Kiura emery mine)
Masayuki Ohnishi, Norimasa Shimobayashi, Shigetomo Kishi, Mitsuo Tanabe, Shoichi Kobayashi (2013) Talmessite from the Uriya deposit at the Kiura mining area, Oita Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 108, No. 2 (April), 116-120.
Morocco
 
  • Drâa-Tafilalet Region
    • Ouarzazate Province
      • Tazenakht
        • Bou Azzer District (Bou Azer District)
          • Aït Ahmane
Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
          • Bou Azer
Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
          • Ightem
Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
Switzerland
 
  • Wallis (Valais)
    • Anniviers Valley
      • Ayer
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 161+202.; Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
USA
 
  • Michigan
    • Keweenaw Co.
      • Mohawk
[Mineralogical Record - Vol 23 No. 2]
  • Nevada
    • Humboldt Co.
      • Osgood Mts
        • Potosi District
          • Adam Peak
MinRec 19:253-257
      • Potosi District
        • Adam Peak
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia
    • Nye Co.
      • Toquima Range
        • Manhattan District
          • Manhattan
Tony Nikischer
  • New Jersey
    • Sussex Co.
      • Franklin Mining District
        • Ogdensburg
          • Sterling Hill
The Picking Table:22(1):2; Dunn(1995):Pt5:668.
Mineral and/or Locality  
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