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Mineralogical ClassificationHudsonite

26th Aug 2005 09:21 UTCPierre PELISSON

Hello,

Do you think interesting to add, as a variety of Hastingsite the name Hudsonite : (Ca, Na, K)3 (Fe2+, Fe3+, Al)5 (Si, Al)8 O22 (OH)2

Ca = 2, Fe2+ = 3.5, Fe3+ = 1, Si = 6

A variety or an unadequatly described species, I wonder ???

Ref. "Index alphabétique de nomenclature minérale", BRGM Editions, CNRS, 1968, France.

Locality : cf. Barra Verde mine/Brazil.

Pierre.

26th Aug 2005 09:31 UTCErnst A.J. Burke

Hudsonite is a discredited synonym of hastingsite, see the first amphibole report of 1978!

26th Aug 2005 10:00 UTCPierre PELISSON

Thanks !

I just mean : is it possible to add it as a synonym for hastingsite ?

Pierre.

26th Aug 2005 15:45 UTCMarco E. Ciriotti

Pierre,

in my opinion, the use of the discredited name as synonym of hastingsite is not so appropriate (but obviously it is possible). Personally I prefer don't use the discredited names.

Ciao.

Marco

1st Sep 2005 07:25 UTCPierre PELISSON

I agree with you Marco, but I think it is very useful to have a big dictionnary of old, disused or fancy names : it is often quite difficult to find the meaning of some names you may find on old labels or mineral occurrence descriptions in old books !

It is always a bit puzzling when you get an old mineral sample with a label like "alquifoux" (galena) or "gapite" (morenosite) or "eolite" (realgar as mentioned in Mindat, but also selenian sulphur), "erlamite" (quartz + grossular), "ryakolite" (sanidine), etc....

Have a nice day !

Pierre.

2nd Sep 2005 08:30 UTCErnst A.J. Burke

Such a dictionary already exists, thanks to Jeffrey de Fourestier (published by the Mineralogical Association of Canada).

See also the earlier volume with old mineral names by Guillemin.

2nd Sep 2005 08:33 UTCPierre PELISSON

Is it on the Web ?

That was my point...

Pierre.

2nd Sep 2005 22:30 UTCKarl

I do agree with Pierre on this. One of the great things about this site is the ability to clarify names for

minerals. We already have an massive amount of obsolete terms entered so that one is directed to the

correct and/or current name. Hudsonite was discredited in 1978 meaning pub. before that will use hudsonite

and not hastingsite and most people do not intuitively know that they are the same species. At this point

most people are more likely to go to the Internet than to reference text to find information on things that

they are interested in. so it follows with what we are doing here to incorporate Hudsonite into the database

as an obsolete term with information guiding one to the correct name hastingsite and an explanation that it

was discredited in the first amphibole report.

just my $.02

Karl

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