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Fraipontite

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Formula:
(Zn,Al)3((Si,Al)2O5)(OH)4
May contain some Cu.
System:
Monoclinic
Hardness:
Name:
Named in 1927 by Giuseppe Raimondo Pio Cesàro in honor of Julien Jean Joseph Fraipont [August 17 1857 Liège, Belgium - March 22, 1910 Liège, Belgium], paleontologist and professor of zoology at the University of Liège and noted for his work on Neanderthal man and in honor of his his son, Charles Marie Joseph Julien Fraipont [March 21, 1883 Chênée, Liège, Belgium - April 15, 1946 Forest, near Frasnes-lez-Anvaing, Belgium] professor of paleontology at University of Liège and who also studied Neanderthal man, as well as subjects in his specialty of phytopaleontology.

Classification of Fraipontite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
9.ED.15

9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets
71.1.2c.4

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
1 : Sheets of 6-membered rings with 1:1 layers
16.12.16

16 : Silicates Containing Aluminum and other Metals
12 : Aluminosilicates of Sr, Ba and Zn
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First Recorded Occurrence of Fraipontite

Year of Discovery:
1927

Physical Properties of Fraipontite

Hardness (Mohs):

Crystallography of Fraipontite

Crystal System:
Monoclinic
Cell Parameters:
a = 5.34Å, b = 9.21Å, c = 14.12Å
β = 93.2°
Ratio:
a:b:c = 0.58 : 1 : 1.533
Unit Cell Volume:
V 693.36 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
d-spacingIntensity
7.03 (100)
4.60 (20)
3.53 (70)
2.650 (40)
2.490 (30)
2.385 (30)
1.540 (30)

Optical Data of Fraipontite

Type:
Biaxial (-)
RI values:
nα = 1.620 nβ = 1.624 nγ = 1.624
2V:
Measured: 15° to 20°
Max Birefringence:
δ = 0.004
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v strong

Chemical Properties of Fraipontite

Formula:
(Zn,Al)3((Si,Al)2O5)(OH)4

May contain some Cu.
Essential elements:
All elements listed in formula:
Common Impurities:
Fe,Cu,Mg,Ca,K

Relationship of Fraipontite to other Species

Other Members of Group:
AmesiteMg2Al(AlSiO5)(OH)4
AntigoriteMg3(Si2O5)(OH)4
Baumite(Mg,Al,Mn,Zn,Fe)3(Si,Al)2O5(OH)4
Berthierine(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4
Brindleyite(Ni,Al)3(Si,Al)2O5(OH)4
Caryopilite(Mn,Mg)3(Si2O5)(OH)4
ChrysotileMg3(Si2O5)(OH)4
Clinochrysotile
CronstedtiteFe22+Fe3+((Si,Fe3+)2O5)(OH)4
DickiteAl2(Si2O5)(OH)4
GreenaliteFe2-3(Si2O5)(OH)4
HalloysiteAl2(Si2O5)(OH)4
KaoliniteAl2(Si2O5)(OH)4
KellyiteMn22+Al(AlSiO5)(OH)4
LizarditeMg3(Si2O5)(OH)4
ManandoniteLi2Al4(Si2AlB)O10(OH)8
NacriteAl2(Si2O5)(OH)4
Népouite(Ni,Mg)3(Si2O5)(OH)4
Odinite(Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4
Orthochrysotile
Parachrysotile
PecoraiteNi3(Si2O5)(OH)4
Webskyite
9.ED.05DickiteAl2(Si2O5)(OH)4
9.ED.05KaoliniteAl2(Si2O5)(OH)4
9.ED.05NacriteAl2(Si2O5)(OH)4
9.ED.05Odinite(Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4
9.ED.10HalloysiteAl2(Si2O5)(OH)4
9.ED.10HisingeriteFe23+(Si2O5)(OH)4 · 2H2O
9.ED.10Halloysite-7ÅAl2(Si2O5)(OH)4
9.ED.15AmesiteMg2Al(AlSiO5)(OH)4
9.ED.15AntigoriteMg3(Si2O5)(OH)4
9.ED.15Berthierine(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4
9.ED.15Brindleyite(Ni,Al)3(Si,Al)2O5(OH)4
9.ED.15Caryopilite(Mn,Mg)3(Si2O5)(OH)4
9.ED.15ChrysotileMg3(Si2O5)(OH)4
9.ED.15CronstedtiteFe22+Fe3+((Si,Fe3+)2O5)(OH)4
9.ED.15GreenaliteFe2-3(Si2O5)(OH)4
9.ED.15KellyiteMn22+Al(AlSiO5)(OH)4
9.ED.15LizarditeMg3(Si2O5)(OH)4
9.ED.15ManandoniteLi2Al4(Si2AlB)O10(OH)8
9.ED.15Népouite(Ni,Mg)3(Si2O5)(OH)4
9.ED.15PecoraiteNi3(Si2O5)(OH)4
9.ED.15GuidottiiteMn2Fe3+(Fe3+SiO5)(OH)4
9.ED.20Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
9.ED.20ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O (x < 1)
9.ED.20ImogoliteAl2SiO3(OH)4
9.ED.20Neotocite(Mn,Fe,Mg)SiO3 · H2O
9.ED.25BismutoferriteFe23+Bi(SiO4)2(OH)
9.ED.25ChapmaniteFe23+Sb3+(Si2O5)O3(OH)
16.12.1StronalsiteSrNa2[Al2Si2O8]2
16.12.2Slawsonite(Sr,Ca)Al2Si2O8
16.12.3Brewsterite
16.12.4CelsianBaAl2Si2O8
16.12.5ParacelsianBaAl2Si2O8
16.12.6CymriteBaAl2Si2(O,OH)8 · H2O
16.12.7EdingtoniteBa[Al2Si3O10] · 4H2O
16.12.8BanalsiteBaNa2[Al2Si2O8]2
16.12.9Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
16.12.10Hyalophane(K,Ba)[Al(Si,Al)Si2O8]
16.12.11BalipholiteBaLiMg2Al3(Si2O6)2(OH)4
16.12.12ArmeniteBaCa2Al6Si9O30 · 2H2O
16.12.13Wellsite(Ba,Ca,K2)Al2Si6O16 · 6H2O
16.12.14Merlinoite(K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2O
16.12.15Anandite(Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2
16.12.17SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
16.12.18Minehillite(K,Na)2-3Ca28Zn4Al4Si40O112(OH)16
16.12.19HendricksiteK(Zn,Mg,Mn2+)3(AlSi3O10)(OH)2
16.12.20Baileychlore(Zn,Fe,Al,Mg)6((Si,Al)4O10)(OH)8

Other Names for Fraipontite

Name in Other Languages:
German:Fraipontit
Spanish:Fraipontita

Other Information

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 Fraipontite

Reference List:
Cesàro, G. (1927): Sur la fraipontite, silicate basique hydraté de zinc et d'aluminum. Ann. Soc. Geol. Belgique, 50, 106-110 (in French).

Fransolet, A.-M. and P. Bourguignon (1975): Données nouvelles sur la fraipontite de Moresnet (Belgique). Bull. Soc. fr. Minéral., 98, 235-244 (in French with English abs.)

Dimitriadis, S. (1977): Cuprian fraipontite from Laurion, Greece. Neues Jahrbuch für Mineralogie, Monatshefte 155-162.

American Mineralogist: 62: 175.

Foord, E.E., J.E. Taggart, and N.M. Conklin (1983): Cuprian fraipontite and sauconite from the Defiance-Silver Bill mines, Gleeson, Arizona. Mineral. Record, 14, 131-132.

Internet Links for Fraipontite

Localities for Fraipontite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Australia
 
  • South Australia
    • Eyre Peninsula
      • Middleback Range
        • Iron Knob
Minerals of Iron Monarch, Glyn L. Francis
  • Tasmania
    • Zeehan district
      • Zeehan mineral field
Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
Austria
 
  • Carinthia
    • Gailtaler Alpen & Karnische Alpen
      • Bleiberg District
        • Bad Bleiberg
G. Niedermayr: Carinthia II, 177./97.: 287 (1987)
Belgium
 
  • Liège Province
    • Verviers
      • Plombières-Vieille Montagne District (Plombières-Altenberg)
        • Kelmis
          • Moresnet
Ann.Soc.géol.Belgique,(1927) 50, B106-B110
Chile
 
  • Tarapacá Region
    • El Tamarugal Province
      • Challacollo
maurzi
France
 
  • Midi-Pyrénées
    • Aveyron
      • Villefranche-de-Rouergue
Patrice Queneau Collection
Germany
 
  • North Rhine-Westphalia
    • Sauerland
      • Meschede
Wittern: "Mineralfundorte in Deutschland", 2001
SCHNORRER, G. (1995): Mineralogische Neuheiten von bekannten deutschen Fundorten. Lapis 20 (12), 43-48; 62.
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
          • Kamariza Mines (Kamareza Mines)
No reference listed
            • Hilarion area
No reference listed
No reference listed
No reference listed
        • Sounion area
          • Agia Varvara Mines (St Barbara Mines)
Branko Rieck Collection
Lapis, 24, 7/8, (1999)
Italy
 
  • Sardinia
    • Sassari Province
      • Porto Torres
Orlandi, P., & Gelosa, M. (2007). Argentiera della Nurra. I minerali di alterazione della miniera di sfalerite e galena argentifera. Rivista Mineralogica Italiana, 31 (1), 22-31.
  • Tuscany
    • Massa-Carrara Province
      • Apuan Alps
Orlandi, P. & Criscuolo, A. (2009). Minerali del marmo delle Alpi Apuane. Pacini editore, Pisa, 180 pp.
S. Merlino & P. Orlandi (2001): Carraraite and zaccagnaite, two new minerals ..... Amer. Miner. 86, 1293-1301
  • Veneto
    • Belluno Province
      • Auronzo di Cadore
Ara, D., Sanna, L., Rossi, A., Galli, E., & De Waele, J. (2013). Minerali secondari in ambiente sotterraneo: la miniera dell’Argentiera (Sardegna nord-occidentale).
Namibia
 
  • Otjikoto Region (Oshikoto)
    • Tsumeb
Gebhard, G. (1999): Tsumeb II. A Unique Mineral Locality. GG Publishing, Grossenseifen, Germany
Romania
 
  • Suceava Co.
    • Suceava district
      • Iacobeni (Jakobeny; Jacobeny; Jakabfalva)
http://minerals-of-the-carpathians.eu
Spain
 
  • Andalusia
    • Almería
      • San José
Georges FAVREAU collection
  • Catalonia
    • Lleida (Lérida)
      • La Cerdanya
Calvo, M., Viñals, J. & Triviño, A.: Zálesiíte, felsobanyaite and fraipontite, in a conglomerate in Prullans, La Cerdanya, Catalonia (Spain). Mineral Up, Vol. I, 3, 49-51
Switzerland
 
  • Wallis (Valais)
    • Anniviers Valley
      • Saint-Luc
Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
Turkmenistan
 
  • Lebap Province
    • South Tien-Shan Mts
      • Kugitangtau Ridge
http://fadr.msu.ru/caves/malmin_e.html
UK
 
  • England
    • Cumbria
      • North and Western Region (Cumberland)
        • Caldbeck Fells
          • Roughton Gill
Pluth, J. J., Steele, I. M., Kampf, A. R. & Green, D. I. (2005): Redgillite, Cu6(OH)10(SO4)•H2O, a new mineral from Caldbeck Fells, Cumbria, England: description and crystal structure. Mineralogical Magazine, 69, 973-980.
    • North Yorkshire
      • North Pennines
        • Swaledale
          • Marrick
Daltry, Vaughn & Deliens, Michel (1994) The Type Mineralogy of Belgium . Annals of the Belgium Geological Society 116:15-28
        • Wensleydale
          • Redmire
BMS Database
  • Wales
    • Caerphilly (Mid Glamorgan; Monmouthshire)
      • Machen
Minerals of Machen Quarry, Plant & Jones, Journal of the Russell Society, Vol 6, Pt 1, 1995
USA
 
  • Arizona
    • Cochise Co.
      • Dragoon Mts
        • Turquoise District (Courtland-Gleeson District)
          • Gleeson
            • Costello Mine group (Costello claims)
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 361; Foord, E.E., et al (1983), Cuprian fraipontite and sauconite from the Defiance-Silver Bill Mines, Gleeson, AZ, Min.Rec.: 14: 131-132.
[var: Cuprian Fraipontite] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 226, 361; Foord, E.E., et al (1983), Cuprian fraipontite and sauconite from the Defiance-Silver Bill mines, Gleeson, AZ, Min.Rec.: 14: 131-132.
    • Pinal Co.
      • Mammoth District
        • Tiger
          • St. Anthony deposit
1) ID Paul Hlava, New Mexico. 2) An ID of Cuprian Fraipontite is consistent with form and composition determined by EDS and WDS microprobe analysis on November 17, 2006 at Cannon Microprobe--Seattle, Washington, USA
  • California
    • Inyo Co.
      • Nopah Range
        • Upper Noonday Camp
          • Shoshone Mines (Shoshone Mines group; Shoshone Mine group; Grant Mine; Mabel Mine; Black Prince Mine)
Mindat gallery; Robert M. Housley (2005) Noonday and War Eagle mines, Tecopa Pass, Inyo Co. CA. Abstracts from the 2005 Desert Symposium. California State University, Desert Studies Consortium and LSA Associates, Inc.
    • San Bernardino Co.
      • Clark Mts (Clark Mountain Range)
        • Clark Mountain District
          • Pactolus
            • Mohawk Hill
[Mineralien Welt 1/93:44]
      • Soda Lake Mts
        • Baker
Collected by and in the collection of Brent Thorne.
  • Nevada
    • Clark Co.
      • Spring Mts
        • Goodsprings District
Rocks & Minerals 83:1 pp 65-69
    • Elko Co.
      • Bootstrap District
NBMG Spec. Pub. 31 Minerals of Nevada
    • Eureka Co.
      • Maggie Creek District
NBMG Spec. Pub. 31 Minerals of Nevada
    • Nye Co.
      • Lodi Hills
        • Lodi District
          • Quartz Mountain camp
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Jersey
    • Sussex Co.
      • Franklin Mining District
        • Ogdensburg
          • Sterling Hill
Cianciulli, J.: The Picking Table:36(1):27 (1995); Dunn(1995):Pt4:486.
  • New Mexico
    • Hidalgo Co.
      • Peloncillo Mts
        • San Simon District
          • Kimball
NMBMMR New Mexico Mineral symposium (2003) pp. 8-9
      • San Simon District
        • Granite Gap
R. D. Green photo
    • Socorro Co.
Northrop, Minerals of New Mexico, 3rd Rev. ed., 1996
        • Bingham
Minerals of New Mexico 3rd ed.
Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)
Mineral and/or Locality  
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