Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (6 online) Mindat Auctions

Piergorite-(Ce)

Big Photo

Tre Croci, Vetralla, Vico Lake, Viterbo Province, Latium, Italy
© mslama

Show Piergorite-(Ce) Photos (7)
Formula:
Ca
 
8
(Ce,Th,La,Nd)
 
2
(Al
 
0.5
,Fe
3+
0.5
)([],Li,Be)
 
2
Si
 
6
B
 
8
O
 
36
(OH,F)
 
2
Name:After Giancarlo Pierini (b. 1929) and Pietro Gorini (b. 1939), two well-known and keen Italian mineral collectors, members of AMI (Italian Micromineralogical Association).
Acronym of "Pier"ini and "Gor"ini.
This page provides mineralogical data about Piergorite-(Ce).

Classification of Piergorite-(Ce)

IMA status:Approved 2005
Nickel-Strunz 10th (pending) edition ID:9.DL.10

9 : SILICATES (Germanates)
D : Inosilicates
L : Inosilicates with 5-periodic double chains, Si10O28
mindat.org URL:http://www.mindat.org/min-27426.html
Please feel free to link to this page.

Type Occurrence of Piergorite-(Ce)

Type Locality:Tre Croci, Vetralla, Vico Lake, Viterbo Province, Latium, Italy
Geological Setting of type material:extremely thin, platy micro crystals and aggregates perched within small seams in a volcanic ejecta.

Chemical Properties of Piergorite-(Ce)

Formula:
Ca
 
8
(Ce,Th,La,Nd)
 
2
(Al
 
0.5
,Fe
3+
0.5
)([],Li,Be)
 
2
Si
 
6
B
 
8
O
 
36
(OH,F)
 
2
All elements listed in formula:Al, B, Be, Ca, Ce, F, Fe, H, La, Li, Nd, O, Si, Th

Relationship of Piergorite-(Ce) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.DL.05Inesite
Ca
 
2
(Mn,Fe)
 
7
Si
 
10
O
 
28
(OH)
 
2
·5H
 
2
O

Other Names for Piergorite-(Ce)

Synonyms:
IMA2005-008
Other Languages:
German:Piergorit-(Ce)

Other Information

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 Piergorite-(Ce)

Reference List:Boiocchi, M., Callegari, A., Ottolini, L. (2006): The crystal structure of piergorite-(Ce), Ca8Ce2(Al0.5Fe3+0.5)Σ1(,Li,Be)2Si6B8O36(OH,F)2: A new borosilicate from Vetralla, Italy, with a modified hellandite-type chain. American Mineralogist, 91, 1170-1177.

Ciriotti, M.E. & Bonacina, E. (2007): Alloriite e piergorite-(Ce): tre AMIci per due nuove specie italiane. Micro (sistematica), 2/2007, 35-50.

Internet Links for Piergorite-(Ce)

Search Engines:
  • Look for Piergorite-(Ce) on Google
  • Look for Piergorite-(Ce) images on Google
    • External Links:
  • Look for Piergorite-(Ce) on Webmineral
  • Look for Piergorite-(Ce) on Athena Mineralogy
  • Look for Piergorite-(Ce) on Wikipedia
  • Look for Piergorite-(Ce) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Piergorite-(Ce) in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Buy Fine Minerals from mineralsweb.com
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • SpiriferMinerals.com - high quality specimens
  • Buy from David K Joyce minerals
  • Buy minerals from Mineralium.com
  • Fabre Minerals - search for Piergorite-(Ce) specimens
  • Top quality minerals from Kristalle of California
  • Rare and Unusual minerals at Mineralogical Research Company
  • Lapis Mineral Magazin
  • Wilensky Fine Minerals
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Piergorite-(Ce)

    (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.
    Italy
     
    • Latium
      • Viterbo Province
        • Vico Lake
          • Vetralla
    		American Mineralogist, Volume 91, pages 1170–-1177, 2006
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. 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 Oct 2009 04:44:56