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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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 Posted: Jan 03, 2022 14:39 Post subject: Re: Don Lum Collection |
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Dear Bob and Carles,
Happy New Year to both of you and thank you for writing. I also questioned the location information on the label but I bought this specimen from a trusted dealer and even looked up whether chalcopyrite is found at Elmwood and it is, but I believe that both of your are correct and defer to your knowledge and experience. The Calcite indeed does not look like those from Elmwood and I have several of these. I will change the location information on my label and would appreciate very much if one of the administrators will make the necessary correction.
Sincerely,
Don
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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| Posted: Jan 03, 2022 14:48 Post subject: Re: Don Lum Collection |
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Kolwezite after Cuprite
| Mineral: | Kolwezite after Cuprite with Calcite (Co-bearing Calcite) |
| Locality: | | Kakanda, Kambove District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire) |  |
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| Dimensions: | 123 mm x 85 mm x 34 mm |
| Description: |
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| Viewed: |
7413 Time(s) |
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Carles Millan
Site Admin
Joined: 05 May 2007
Posts: 1469
Location: Catalonia
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| Posted: Jan 03, 2022 15:28 Post subject: Re: Don Lum Collection |
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| Don Lum wrote: | | I will change the location information on my label and would appreciate very much if one of the administrators will make the necessary correction. |
I myself might easily make the correction, but it's up to you to investigate whether the specimen is either from Viburnum Trend or from Tri-State District, which are not the same. If in doubt, I suggest you ask the dealer.
Have you too a happy New Year, Don.
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James Catmur
Site Admin
Joined: 14 Sep 2006
Posts: 1343
Location: Cambridge
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| Posted: Jan 03, 2022 15:33 Post subject: Re: Don Lum Collection |
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Carles
I had the same thought - otherwise we can only give the state
James
| Carles Millan wrote: | | Don Lum wrote: | | I will change the location information on my label and would appreciate very much if one of the administrators will make the necessary correction. |
I myself might easily make the correction, but it's up to you to investigate whether the specimen is either from Viburnum Trend or from Tri-State District, which are not the same. If in doubt, I suggest you ask the dealer.
Have you too a happy New Year, Don. |
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Carles Millan
Site Admin
Joined: 05 May 2007
Posts: 1469
Location: Catalonia
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| Posted: Jan 03, 2022 16:49 Post subject: Re: Don Lum Collection |
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Hi, James
The Tri-State District is located on three different states, Missouri, Kansas and Oklahoma. What should we do then? Just write Tri-State Mining District, USA, as Mindat does? And what if the locality was Viburnum Trend, which is in Missouri?
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2066
Location: Oklahoma
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| Posted: Jan 03, 2022 17:13 Post subject: Re: Don Lum Collection |
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| Carles Millan wrote: | Hi, James
The Tri-State District is located on three different states, Missouri, Kansas and Oklahoma. What should we do then? Just write Tri-State Mining District, USA, as Mindat does? And what if the locality was Viburnum Trend, which is in Missouri? |
Hi Don,
If there is a bit of matrix on the back of the specimen, this could be the key. Tri-State specimens have a gray chert matrix, while those from the Viburnum Trend are hosted on dolostone or silicious limestone, never chert.
Michael
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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| Posted: Jan 03, 2022 20:11 Post subject: Re: Don Lum Collection |
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Michael, thank you very much for the insight. I will look.
Regards,
Don
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Michael Shaw
Site Admin
Joined: 30 Apr 2008
Posts: 2066
Location: Oklahoma
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| Posted: Jan 04, 2022 11:33 Post subject: Re: Don Lum Collection |
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| Don Lum wrote: | Michael, thank you very much for the insight. I will look.
Regards,
Don |
After some discussion and a photo showing the matrix of the specimen, it was agreed that this specimen was from Missouri's Viburnum Trend. The matrix is clearly a brecciated dolostone which is a characteristic of this district. Location data was updated accordingly.
Michael
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4102
Location: Germany
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| Posted: Jan 05, 2022 06:13 Post subject: Re: Don Lum Collection |
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| btw: Really awesome plate of cobaltoan calcite up there!
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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| Posted: Jan 05, 2022 09:55 Post subject: Re: Don Lum Collection |
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Thank you very much for your kind comment, Tobi. It is good to hear from you.
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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| Posted: Jan 05, 2022 16:15 Post subject: Re: Don Lum Collection |
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Fluorite, Pyrite
| Mineral: | Fluorite, Pyrite |
| Locality: | | Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China | |
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| Dimensions: | 143 mm x 87 mm |
| Description: |
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| Viewed: |
7117 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4102
Location: Germany
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| Posted: Jan 06, 2022 07:06 Post subject: Re: Don Lum Collection |
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Incredibly distinct phantoms/zoning inside of the crystals, I would like to see some detail shots of them :-)
Thanks
Tobi
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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| Posted: Jan 06, 2022 21:32 Post subject: Re: Don Lum Collection |
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Fluorite, Pyrite
Commonly referred to as Purple Window Fluorite or QR Code Fluorite
| Mineral: | Fluorite |
| Locality: | | Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China | |
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| Dimensions: | 143 mm x 87 mm |
| Description: |
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| Viewed: |
6981 Time(s) |
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| Mineral: | Fluorite, Pyrite |
| Locality: | | Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China | |
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| Dimensions: | 143 mm x 87 mm |
| Description: |
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| Viewed: |
6960 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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| Posted: Jan 06, 2022 21:58 Post subject: Re: Don Lum Collection |
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Previously posted, better pictures
Original label found: Sweetwater Mine, Reynolds County, Missouri
| Mineral: | Calcite, Chalcopyrite |
| Locality: | | Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA | |
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| Dimensions: | 291 mm x 160 mm |
| Description: |
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| Viewed: |
6953 Time(s) |
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| Mineral: | Calcite, Chalcopyrite |
| Locality: | | Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA | |
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| Dimensions: | 291 mm x 160 mm |
| Description: |
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| Viewed: |
6946 Time(s) |
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| Mineral: | Calcite, Chalcopyrite |
| Locality: | | Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA | |
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| Dimensions: | 291 mm x 160 mm |
| Description: |
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| Viewed: |
6947 Time(s) |
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| Mineral: | Calcite, Chalcopyrite |
| Locality: | | Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA | |
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| Dimensions: | 291 mm x 160 mm |
| Description: |
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| Viewed: |
6950 Time(s) |
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| Mineral: | Calcite, Chalcopyrite |
| Locality: | | Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA | |
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| Dimensions: | 291 mm x 160 mm |
| Description: |
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| Viewed: |
6943 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4102
Location: Germany
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| Posted: Jan 07, 2022 04:29 Post subject: Re: Don Lum Collection |
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| Don Lum wrote: | Fluorite, Pyrite
Commonly referred to as Purple Window Fluorite or QR Code Fluorite
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
Dimensions: 143 mm x 87 mm |
Thanks for the closer shots, wonderful crystals and a gorgeous specimen overall, I love the contrasting pyrite that grew on the fluorite!
And what does your phone say when it reads the QR code? ;-)
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Firmo Espinar
Joined: 05 Apr 2017
Posts: 755
Location: Medellín, Colombia.
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| Posted: Jan 07, 2022 16:59 Post subject: Re: Don Lum Collection |
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| Don Lum wrote: | Fluorite, Pyrite
Commonly referred to as QR Code Fluorite |
Fantastic description Don, as much as fluorite.
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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| Posted: Jan 07, 2022 17:51 Post subject: Re: Don Lum Collection |
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Thank you for your nice comments Tobi and Firmo
Take care,
Don
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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| Posted: Jan 08, 2022 14:28 Post subject: Re: Don Lum Collection |
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Sapphire
| Mineral: | Corundum (variety sapphire) |
| Locality: | | Soboba Hot Springs, San Jacinto Mountains, Riverside County, California, USA | |
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| Dimensions: | 127 mm x 75 mm |
| Description: |
crystal 127 mm x 16 mm
matrix 73 mm x 75 mm |
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| Viewed: |
6705 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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| Posted: Jan 09, 2022 22:18 Post subject: Re: Don Lum Collection |
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Calcite
| Mineral: | Calcite |
| Locality: | | Zhejiang Province, China | |
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| Dimensions: | 51 mm x 31 mm |
| Description: |
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| Viewed: |
6595 Time(s) |
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James Catmur
Site Admin
Joined: 14 Sep 2006
Posts: 1343
Location: Cambridge
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| Posted: Jan 10, 2022 09:22 Post subject: Re: Don Lum Collection |
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Don
Do you have any more information on the Calcite's locality?
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