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James Catmur
Site Admin
Joined: 14 Sep 2006
Posts: 1248
Location: Cambridge
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 Posted: Sep 09, 2023 04:35 Post subject: Re: Don Lum Collection |
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Don
On the Spanish side we have been trying to decide on the correct denomination of this locality. It is, as so often, complex but it seems there was once a concession called 'Almanzora' and over the years the name got corrupted and it became 'Las Manforas', but that concession also ceased to exist. The main area for recent specimens was from what has become the Áliva Mine. Many maps still say 'Las Manforas' which creates a lot of confusion.
I recall collecting these Calcites, and I recall that they come from the Áliva area, probably the old Providencia concession, as shown in the last plan of the discussion:
https://www.foro-minerales.com/forum/viewtopic.php?p=160667#160667
If you are interested, to view the discussion and all the plans, check this topic and use the translate function
https://www.foro-minerales.com/forum/viewtopic.php?t=15473
| Don Lum wrote: | | Calcite (Twinned) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2768
Location: Arkansas
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| Posted: Sep 09, 2023 14:05 Post subject: Re: Don Lum Collection |
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| James Catmur wrote: | Don
On the Spanish side we have been trying to decide on the correct denomination of this locality. It is, as so often, complex but it seems there was once a concession called 'Almanzora' and over the years the name got corrupted and it became 'Las Manforas', but that concession also ceased to exist. The main area for recent specimens was from what has become the Áliva Mine. Many maps still say 'Las Manforas' which creates a lot of confusion.
I recall collecting these Calcites, and I recall that they come from the Áliva area, probably the old Providencia concession, as shown in the last plan of the discussion:
https://www.foro-minerales.com/forum/viewtopic.php?p=160667#160667
If you are interested, to view the discussion and all the plans, check this topic and use the translate function
https://www.foro-minerales.com/forum/viewtopic.php?t=15473
| Don Lum wrote: | | Calcite (Twinned) |
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James,
Thank you for writing. I appreciate all that you and the site administrators, Carles and Jordi do. I am sending pictures of the two labels that Jordi sent with the twinned Calcite specimen. Please make the necessary corrections to the locality information on my last post.
Thank you.
Don
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Don Lum
Joined: 03 Sep 2012
Posts: 2768
Location: Arkansas
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| Posted: Sep 09, 2023 14:31 Post subject: Re: Don Lum Collection |
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Elbaite
| Mineral: | Elbaite (variety rubellite) Tourmaline Group, Quartz |
| Locality: | | Himalaya Mine, Gem Hill, Mesa Grande District, San Diego County, California, USA |  |
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| Dimensions: | 47 mm x 36 mm x 33 mm |
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James Catmur
Site Admin
Joined: 14 Sep 2006
Posts: 1248
Location: Cambridge
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| Posted: Sep 10, 2023 06:49 Post subject: Re: Don Lum Collection |
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Changed to the current name we have agreed on, but it could change again.
My similar Calcites came from old workings in what would probably have once been the Providencia or Disputada claims, but had become Aliva when Antonino found them! Which raises another question - do you use the locality name used when the tunnels were mined or the locality name when the specimen was found?
| Don Lum wrote: |
Please make the necessary corrections to the locality information on my last post.
Don |
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Don Lum
Joined: 03 Sep 2012
Posts: 2768
Location: Arkansas
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| Posted: Sep 10, 2023 14:14 Post subject: Re: Don Lum Collection |
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James, I don't know of any locality name changes where I have collected. I think that what makes the best sense is to use the current name for the locality with a note for historical purposes that gives the name of the locality when the specimen was found. Either N.B. or parentheses.
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James Catmur
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Joined: 14 Sep 2006
Posts: 1248
Location: Cambridge
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| Posted: Sep 10, 2023 14:41 Post subject: Re: Don Lum Collection |
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I do much the same - current locality name and then any information on where, and when, in the locality it was found (in a notes field).
As we have researched Spanish localities for the FMF locality database I often have to update my specimen database; so there is a note on file saying only the electronic data is correct and the printed labels are often out of date. It would be good to electronically link my specimen database to the FMF one (for Spanish localities) but I doubt that will happen.
| Don Lum wrote: | | James, I don't know of any locality name changes where I have collected. I think that what makes the best sense is to use the current name for the locality with a note for historical purposes that gives the name of the locality when the specimen was found. Either N.B. or parentheses. |
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Don Lum
Joined: 03 Sep 2012
Posts: 2768
Location: Arkansas
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| Posted: Sep 10, 2023 17:11 Post subject: Re: Don Lum Collection |
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James thank you very much.
Don
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Don Lum
Joined: 03 Sep 2012
Posts: 2768
Location: Arkansas
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| Posted: Sep 15, 2023 20:22 Post subject: Re: Don Lum Collection |
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Fluorite
| Mineral: | Fluorite |
| Locality: | | Xianghualing Mine, Xianghualing Sn-polymetallic ore field, Linwu, Chenzhou Prefecture, Hunan Province, China | |
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| Dimensions: | 53 mm x 34 mm x 22 mm |
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572 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2768
Location: Arkansas
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| Posted: Sep 15, 2023 20:55 Post subject: Re: Don Lum Collection |
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Twinned Calcite
Previously posted, better pictures of twin
| Mineral: | Calcite (twinned) |
| Locality: | | Áliva Mine (Las Mánforas Mine), level 2, Áliva mining area, Camaleño, Comarca Liébana, Cantabria, Spain | |
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| Dimensions: | 82 mm x 75 mm x 51 mm |
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| Mineral: | Calcite (twinned) |
| Locality: | | Áliva Mine (Las Mánforas Mine), level 2, Áliva mining area, Camaleño, Comarca Liébana, Cantabria, Spain | |
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| Dimensions: | 82 mm x 75 mm x 51 mm |
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Don Lum
Joined: 03 Sep 2012
Posts: 2768
Location: Arkansas
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| Posted: Sep 16, 2023 13:08 Post subject: Re: Don Lum Collection |
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These last two specimens that I posted are from Jordi. i.e. Calcite twin and Fluorite. In 2012 Jordi encouraged me to post pictures of my collection. Jordi has been a source of inspiration and knowledge all these years. I cannot thank him enough. Very sad to see him retire from being a dealer.
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Don Lum
Joined: 03 Sep 2012
Posts: 2768
Location: Arkansas
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| Posted: Sep 17, 2023 16:17 Post subject: Re: Don Lum Collection |
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Collection
| Mineral: | Fluorite, Schorl, Feldspar |
| Locality: | | Erongo Mountain, Usakos, Erongo Region, Namibia | |
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| Dimensions: | 58 mm x 34 mm x 30 mm |
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Don Lum
Joined: 03 Sep 2012
Posts: 2768
Location: Arkansas
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| Posted: Sep 20, 2023 15:01 Post subject: Re: Don Lum Collection |
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Galena
| Mineral: | Galena, Pyrite, Calcite |
| Locality: | | Naica Mine, Naica, Municipio Saucillo, Chihuahua, Mexico | |
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| Dimensions: | 45 mm x 43 mm x 33 mm |
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261 Time(s) |
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 1977
Location: Oklahoma
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| Posted: Sep 21, 2023 10:55 Post subject: Re: Don Lum Collection |
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Don, that is a nice Naica specimen, but what's up with the red reflections on the galena? It makes the galena look more like cuprite :>)
Michael
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Don Lum
Joined: 03 Sep 2012
Posts: 2768
Location: Arkansas
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| Posted: Sep 21, 2023 12:38 Post subject: Re: Don Lum Collection |
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| Michael Shaw wrote: | Don, that is a nice Naica specimen, but what's up with the red reflections on the galena? It makes the galena look more like cuprite :>)
Michael |
Michael, I'm sorry that's a reflection from the body of my camera which is red. I did not notice it before I posted it.
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Don Lum
Joined: 03 Sep 2012
Posts: 2768
Location: Arkansas
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| Posted: Sep 21, 2023 15:06 Post subject: Re: Don Lum Collection |
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| Don Lum wrote: | | Michael Shaw wrote: | Don, that is a nice Naica specimen, but what's up with the red reflections on the galena? It makes the galena look more like cuprite :>)
Michael |
Michael, I'm sorry that's a reflection from the body of my camera which is red. I did not notice it before I posted it. |
Michael my eyes may be a little color deficient which kept me out of flight school when I applied for army aviation during my junior year of ROTC. However I did get my commercial and multiengine licenses on my own. 😊
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Don Lum
Joined: 03 Sep 2012
Posts: 2768
Location: Arkansas
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| Posted: Sep 21, 2023 15:12 Post subject: Re: Don Lum Collection |
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| Don Lum wrote: | | Don Lum wrote: | | Michael Shaw wrote: | Don, that is a nice Naica specimen, but what's up with the red reflections on the galena? It makes the galena look more like cuprite :>)
Michael |
Michael, I'm sorry that's a reflection from the body of my camera which is red. I did not notice it before I posted it. |
Michael, my eyes may be a little color deficient which kept me out of flight school when I applied for army aviation during my junior year of
Advanced ROTC. So instead of being an Army pilot during that unpopular war I served my country as a medical officer. However I did get my commercial and multiengine licenses on my own. |
I took both the Ishihara vision test and the Farnsworth lantern test.
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