Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Guérinite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Wilhelm Mine (Wechselschacht), Bauhaus, Richelsdorf District, Hesse, Germany
© Elmar Lackner

Show Guérinite Photos (26)



Formula:
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
System:MonoclinicColour:Colorless
Hardness:1½
Name:Named by E. Nefedov in 1961 for Henri Guerin [1906- ], French chemist who synthesized the compound.
Dimorph of:Ferrarisite
Isostructural with:Vladimirite


Acicular, bladed, or tabular crystals.

Classification of Guérinite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/C.24-60
Nickel-Strunz 10th (pending) edition ID:8.CJ.75

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

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

20 : Arsenates (also arsenates with phosphate, but without other anions)
2 : Arsenates of Be, Mg, Ca or Ba
mindat.org URL:http://www.mindat.org/min-1767.html
Please feel free to link to this page.

Type Occurrence of Guérinite

Type Locality:Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany
Geological Setting of type material:Post-mine

Physical Properties of Guérinite

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

Crystallography of Guérinite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/b {P1 1 21/b} {P21/c} {P1 21/c 1} {P21/a}
Cell Parameters:a = 17.63Å, b = 6.734Å, c = 23.47Å
β = 90.6°
Ratio:a:b:c = 2.618 : 1 : 3.485
Unit Cell Volume:V 2,786.22 ų (Calculated from Unit Cell)
Z:5
Comment:P21/n (synthetic)
X-Ray Powder Diffraction:
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

Optical Data of Guérinite

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
Maximum Birefringence:δ = 0.008

Chart 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 Guérinite

Formula:
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
Essential elements:As, Ca, H, O
All elements listed in formula:As, Ca, H, O

Relationship of Guérinite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.CJ.05Stercorite
Na(NH
 
4
)HPO
 
4
 · 4H
 
2
O
8.CJ.10Mundrabillaite
(NH
 
4
)
 
2
Ca(HPO
 
4
)
 
2
 · H
 
2
O
8.CJ.10Swaknoite
(NH
 
4
)
 
2
Ca(HPO
 
4
)
 
2
 · H
 
2
O
8.CJ.15Nabaphite
NaBaPO
 
4
 · 9H
 
2
O
8.CJ.15Nastrophite
Na(Sr,Ba)PO
 
4
 · 9H
 
2
O
8.CJ.20Haidingerite
CaHAsO
 
4
 · H
 
2
O
8.CJ.25Vladimirite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 5H
 
2
O
8.CJ.30Ferrarisite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
8.CJ.35Machatschkiite
(Ca,Na)
 
6
(AsO
 
4
)(HAsO
 
4
)
 
3
(PO
 
4
,SO
 
4
) · 15H
 
2
O
8.CJ.40Phaunouxite
Ca
 
3
(AsO
 
4
)
 
2
 · 11H
 
2
O
8.CJ.40Rauenthalite
Ca
 
3
(AsO
 
4
)
 
2
 · 10H
 
2
O
8.CJ.45Brockite
(Ca,Th,Ce)PO
 
4
 · H
 
2
O
8.CJ.45Grayite
(Th,Pb,Ca)(PO
 
4
) · H
 
2
O
8.CJ.45Rhabdophane-(Ce)
(Ce,La)(PO
 
4
) · H
 
2
O
8.CJ.45Rhabdophane-(La)
(La,Ce)(PO
 
4
) · H
 
2
O
8.CJ.45Rhabdophane-(Nd)
(Nd,Ce,La)(PO
 
4
) · H
 
2
O
8.CJ.45Tristramite
(Ca,U,Fe)(PO
 
4
,SO
 
4
) · 2H
 
2
O
8.CJ.45UM1997-20-AsO:HU
U
4+
 
(HAsO
 
4
)
 
2
 · 4H
 
2
O
8.CJ.45Smirnovskite
ThCa(PO
 
4
)
 
2
 · nH
 
2
O
8.CJ.50Ardealite
Ca
 
2
(HPO
 
4
)(SO
 
4
) · 4H
 
2
O
8.CJ.50Brushite
Ca(HPO
 
4
) · 2H
 
2
O
8.CJ.50Churchite-(Y)
Y(PO
 
4
) · 2H
 
2
O
8.CJ.50Pharmacolite
Ca(HAsO
 
4
) · 2H
 
2
O
8.CJ.50Churchite-(Nd)
Nd(PO
 
4
) · 2H
 
2
O
8.CJ.55Mcnearite
NaCa
 
5
(AsO
 
4
)(HAsO
 
4
)
 
4
 · 4H
 
2
O
8.CJ.60Dorfmanite
Na
 
2
HPO
 
4
 · 2H
 
2
O
8.CJ.65Sincosite
Ca(VO)
 
2
(PO
 
4
)
 
2
 · 5H
 
2
O
8.CJ.65Bariosincosite
Ba(VO)
 
2
(PO
 
4
)
 
2
 · 4H
 
2
O
8.CJ.70Catalanoite
Na
 
2
(HPO
 
4
) · 8H
 
2
O
8.CJ.85Ningyoite
CaU(PO
 
4
)
 
2
 · 1-2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
20.2.1Bearsite
Be
 
2
(AsO
 
4
)(OH) · 4H
 
2
O
20.2.2Brassite
Mg(HAsO
 
4
) · 4H
 
2
O
20.2.3Rösslerite
Mg(HAsO
 
4
) · 7H
 
2
O
20.2.4Hörnesite
Mg
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
20.2.5Weilite
Ca(HAsO
 
4
)
20.2.6Johnbaumite
Ca
 
5
(AsO
 
4
)
 
3
OH
20.2.7Haidingerite
CaHAsO
 
4
 · H
 
2
O
20.2.8Pharmacolite
Ca(HAsO
 
4
) · 2H
 
2
O
20.2.9Sainfeldite
CaCa
 
2
Ca
 
2
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 4H
 
2
O
20.2.10Vladimirite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 5H
 
2
O
20.2.12Ferrarisite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
20.2.13Rauenthalite
Ca
 
3
(AsO
 
4
)
 
2
 · 10H
 
2
O
20.2.14Phaunouxite
Ca
 
3
(AsO
 
4
)
 
2
 · 11H
 
2
O
20.2.15Mcnearite
NaCa
 
5
(AsO
 
4
)(HAsO
 
4
)
 
4
 · 4H
 
2
O
20.2.16Bergslagite
CaBeAsO
 
4
(OH)
20.2.17Adelite
CaMg(AsO
 
4
)(OH)
20.2.18Talmessite
Ca
 
2
Mg(AsO
 
4
)
 
2
 · 2H
 
2
O
20.2.19Irhtemite
Ca
 
4
Mg(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 4H
 
2
O
20.2.20Camgasite
CaMg(AsO
 
4
)(OH) · 5H
 
2
O
20.2.21Picropharmacolite
Ca
 
4
Mg(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 11H
 
2
O
20.2.22Bariopharmacosiderite
Ba
 
0.5
Fe
3+
4
(AsO
 
4
)
 
3
(OH)
 
4
 · 5H
 
2
O

Other Names for Guérinite

Other Languages:
German:Guérinit
Russian:Геренит
Геринит
Spanish:Guérinita

Other Information

Fluorescence in UV light:Not fluorescent.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Guérinite

Reference List:

- +
American Mineralogist: 47: 416.
Bull. Min. (1964): 87: 169.
American Mineralogist (1965): 50: 812.
Acta Crystallographica (1974): B30: 1789-1794, structure.

Internet Links for Guérinite

Search Engines:
  • Look for Guérinite on Google
  • Look for Guérinite images on Google
    • External Links:
  • Look for Guérinite on Webmineral
  • Look for Guérinite on Athena Mineralogy
  • Look for Guérinite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Guérinite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Search for - Guérinite - on e-Rocks Mineral Sales & Auctions
  • Buy from David K Joyce minerals
  • Top quality minerals from Kristalle of California
  • SpiriferMinerals.com - high quality low prices
  • Rare and Unusual minerals at Mineralogical Research Company
  • High-end worldwide specimens & outstanding customer service
  • Search for minerals at Heliodor
  • Fabre Minerals - search for Guérinite specimens
  • webminerals
  • Pricedownminerals.com - Reverse Auctions and Shop
  • Buy fine minerals and gemstones from Pala International
  • Edwards Minerals - Fine Specimens
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Guérinite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
        • Příbram
    		Minerál 5/1995
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Jáchymov (St Joachimsthal) District
    		Lapis 2002(7/8), 63-65
    • Moravia (Mähren; Maehren)
      • Olomouc Region
        • Javorník
    		Sejkora, J.: Uranové ložisko Zálesí v Rychlebských horách. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1994, roč. 2, s. 105-110.
    France
     
    • Alsace
      • Haut-Rhin
        • Ste Marie-aux-Mines (Markirch)
    		Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997
        • 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.
    • Languedoc-Roussillon
      • 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
        • Süss
          • Richelsdorf Smelter
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
    • Lower Saxony
      • Harz Mts
        • St Andreasberg District
          • St Andreasberg
    		No reference listed
    • Saxony-Anhalt
      • Harz Mts
        • 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 (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Plaka
            • Plaka Mines
    		No reference listed
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tazenakht
          • Bou Azer District (Bou Azzer 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.
    USA
     
    • Michigan
      • Keweenaw Co.
        • Mohawk
    		[Mineralogical Record - Vol 23 No. 2]
    • Nevada
      • Humboldt Co.
        • Potosi District
          • Adam Peak
    		MinRec 19:253-257
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Ogdensburg
            • Sterling Hill
    		The Picking Table:22(1):2; Dunn(1995):Pt5:668.
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 10th Sep 2011 23:59:17
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds