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18 May-13:56:37 Calcite in malkhan elbaite (Roger Warin)
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Don Lum Collection
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Don Lum




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PostPosted: Jan 03, 2022 14:39    Post subject: Re: Don Lum Collection  

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




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PostPosted: Jan 03, 2022 14:48    Post subject: Re: Don Lum Collection  

Kolwezite after Cuprite


P1023301 (2).JPG
 Mineral: Kolwezite after Cuprite with Calcite (Co-bearing Calcite)
 Locality:
Kakanda, Kambove District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire)
 Dimensions: 123 mm x 85 mm x 34 mm
 Description:
 Viewed:  2557 Time(s)

P1023301 (2).JPG



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Carles Millan
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PostPosted: Jan 03, 2022 15:28    Post subject: Re: Don Lum Collection  

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
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PostPosted: Jan 03, 2022 15:33    Post subject: Re: Don Lum Collection  

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
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PostPosted: Jan 03, 2022 16:49    Post subject: Re: Don Lum Collection  

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
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PostPosted: Jan 03, 2022 17:13    Post subject: Re: Don Lum Collection  

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




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PostPosted: Jan 03, 2022 20:11    Post subject: Re: Don Lum Collection  

Michael, thank you very much for the insight. I will look.

Regards,
Don

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Michael Shaw
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PostPosted: Jan 04, 2022 11:33    Post subject: Re: Don Lum Collection  

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
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PostPosted: Jan 05, 2022 06:13    Post subject: Re: Don Lum Collection  

btw: Really awesome plate of cobaltoan calcite up there!
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Don Lum




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PostPosted: Jan 05, 2022 09:55    Post subject: Re: Don Lum Collection  

Thank you very much for your kind comment, Tobi. It is good to hear from you.
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Don Lum




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PostPosted: Jan 05, 2022 16:15    Post subject: Re: Don Lum Collection  

Fluorite, Pyrite


P1023315 (2).JPG
 Mineral: Fluorite, Pyrite
 Locality:
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
 Dimensions: 143 mm x 87 mm
 Description:
 Viewed:  2253 Time(s)

P1023315 (2).JPG



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Tobi
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PostPosted: Jan 06, 2022 07:06    Post subject: Re: Don Lum Collection  

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




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PostPosted: Jan 06, 2022 21:32    Post subject: Re: Don Lum Collection  

Fluorite, Pyrite

Commonly referred to as Purple Window Fluorite or QR Code Fluorite



P1063329 (2).JPG
 Mineral: Fluorite
 Locality:
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
 Dimensions: 143 mm x 87 mm
 Description:
 Viewed:  2115 Time(s)

P1063329 (2).JPG



P1063332 (2).JPG
 Mineral: Fluorite, Pyrite
 Locality:
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
 Dimensions: 143 mm x 87 mm
 Description:
 Viewed:  2102 Time(s)

P1063332 (2).JPG



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Don Lum




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PostPosted: Jan 06, 2022 21:58    Post subject: Re: Don Lum Collection  

Previously posted, better pictures

Original label found: Sweetwater Mine, Reynolds County, Missouri



PC223266 (2).JPG
 Mineral: Calcite, Chalcopyrite
 Locality:
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA
 Dimensions: 291 mm x 160 mm
 Description:
 Viewed:  2091 Time(s)

PC223266 (2).JPG



PC223280 (2).JPG
 Mineral: Calcite, Chalcopyrite
 Locality:
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA
 Dimensions: 291 mm x 160 mm
 Description:
 Viewed:  2092 Time(s)

PC223280 (2).JPG



P1063338 (2).JPG
 Mineral: Calcite, Chalcopyrite
 Locality:
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA
 Dimensions: 291 mm x 160 mm
 Description:
 Viewed:  2091 Time(s)

P1063338 (2).JPG



P1063340 (2).JPG
 Mineral: Calcite, Chalcopyrite
 Locality:
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA
 Dimensions: 291 mm x 160 mm
 Description:
 Viewed:  2092 Time(s)

P1063340 (2).JPG



P1063346 (2).JPG
 Mineral: Calcite, Chalcopyrite
 Locality:
Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA
 Dimensions: 291 mm x 160 mm
 Description:
 Viewed:  2091 Time(s)

P1063346 (2).JPG



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Tobi
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PostPosted: Jan 07, 2022 04:29    Post subject: Re: Don Lum Collection  

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




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PostPosted: Jan 07, 2022 16:59    Post subject: Re: Don Lum Collection  

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




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PostPosted: Jan 07, 2022 17:51    Post subject: Re: Don Lum Collection  

Thank you for your nice comments Tobi and Firmo

Take care,
Don

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PostPosted: Jan 08, 2022 14:28    Post subject: Re: Don Lum Collection  

Sapphire


P1063353 (2).JPG
 Mineral: Corundum (variety sapphire)
 Locality:
Soboba Hot Springs, San Jacinto Mountains, Riverside County, California, USA
 Dimensions: 127 mm x 75 mm
 Description:
crystal 127 mm x 16 mm

matrix 73 mm x 75 mm
 Viewed:  1851 Time(s)

P1063353 (2).JPG



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Don Lum




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PostPosted: Jan 09, 2022 22:18    Post subject: Re: Don Lum Collection  

Calcite


P1093361 (2).JPG
 Mineral: Calcite
 Locality:
Zhejiang Province, China
 Dimensions: 51 mm x 31 mm
 Description:
 Viewed:  1744 Time(s)

P1093361 (2).JPG



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James Catmur
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PostPosted: Jan 10, 2022 09:22    Post subject: Re: Don Lum Collection  

Don

Do you have any more information on the Calcite's locality?
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