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Improving Mindat.orgUnnamed U-minerals
28th May 2012 18:05 UTCLuc Vandenberghe Expert
After research on uranium minerals I found that the following species names were named by the IMA. Below the list of these species with the nomenclature by IMA :
Unnamed (Basic Pb-U Carbonate) from Loe Warren Zawn = UM1995-// - CO-PbU (Invalid);
Unnamed (Ca-REE-U Carbonate Hydrate) from Loe Warren Zawn = UM1995-// - CO-CaHREEEU (Invalid);
Unnamed (Na-Mg-U Borate-Sulphate I) from Schildmauer = UM1976-05 - BO-HMgNaSU (Valid);
Unnamed (Na-Mg-U Borate-Sulphate II) from Schildmauer = UM1976-06 - BO-HMgNaSU (Valid);
Unnamed (Na-Mg-U Borate-Sulphate III) from Schildmauer = UM1976-07 - BO-HMgNaSU (Valid);
Unnamed (Pb-U Sulphate) from Jachymov = probably UM1997-48 - SO-HPbU (Valid);
Unnamed (Pb-U Hydrous Oxide) from Jachymov & Zálesí = UM2006-//-O:HPbU appears to be same as UM1997-35-O:HPbU and similar to masuyite (Invalid);
Unnamed (Pb-U-Al Phosphate) from Les Montmins = UM2000-// - PO-AlPbU (Invalid).
More informations on the IMA website :http://pubsites.uws.edu.au/ima-cnmnc/
Thanks for making changes.
Greetings from Belgium
Luc
6th Jun 2012 15:39 UTCLuc Vandenberghe Expert
A big thank you for your attention !!!
8th Jun 2012 18:37 UTCKnut Edvard Larsen 🌟 Manager
Thanks for bring our attention to these.
The mineralpages of the 2 UM from Loe Warren Zawn and the 3 UM from Schildmauer is now updated.
Others will follow, in time
8th Jun 2012 19:32 UTCMatt Wall
So something with an acicular habit maybe and a yellow colour for the "Unnamed (Pb-U Sulphate) from Jachymov". The only problem is (from what I know) Dewindtite isn't commonly found at Jachymov.
Hope this helps!
Regards,
Matt. =)
9th Jun 2012 09:36 UTCLuc Vandenberghe Expert
But the "UM....." names are the only ones recognized by the IMA and should be on the top of web page.
It is not right to keep "Unnamed ...." on the top of the webpage and UM ... as synonymous.
The opposite is correct.
Would you please note :
UM 1960-04-O : HU from El Sherana Mine in the South Alligator River Area, Northern Territory, Australia = Heisenbergite;
UM 1997-36-O : HU from Jachymov = Heisenbergite.
Indications from :
Heisenbergite, a new uranium mineral from the uranium deposit of Menzenschwand in the Southern Black Forest, Germany
Kurt Walenta and Thomas Theye;
N. Jb. Miner. Abh. 189/2,117-123
For UM1997-48 - SO-HPbU, if you read the text in Journal of the Czech Geological Society, 42/4 (1997) P. 103, we speaking about an unnamed SULFATE with major elements : U, Pb & S... This species is an hydrated uranyl lead sulphate with distinct X-ray powder diffraction pattern
So It's impossible to have a similarity with renardite or dewindtite (wich are phosphates) !!!
Greetings from Belgium.
Luc
9th Jun 2012 11:39 UTCKnut Edvard Larsen 🌟 Manager
when i first entered the changes the UM's come out as synonym to the Unnamed.. , which was, as you pointed out, of course wrong. It' s corrected now.
All changes made.
9th Jun 2012 12:24 UTCLuc Vandenberghe Expert
But It seems that the follwing UM's are missing from the database
UM1960-04-O:HU from El Sherana Mine in the South Alligator River Area, Northern Territory, Australia -
THREADGOLD, I. M. (1960): The Mineral Composition of Some Uranium Ores from the South Alligator River Area, Northern Territory.
- CSIRO Mineragraphic Investigations Technical Paper No. 2, CSIRO, Melbourne.
UM1997-36-O: HU from Jachymov - ONDRUS, P., VESELOVSKY, F., SKALA, R., Cisafova, I., HLOUSEK, J.,FRYDA, J., VAVRIN, I., CEJKA, J. & GABASOVA, A. (1997): New naturally occurring phases of secondary origin from Jachimov (Joachimsthal). - J. Czech Geol. Soc. 42: 77-107.
The two "species" are identical to Heisenbergite (see above)
Have a nice weekend.
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Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 26, 2024 14:07:16