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Tobi
Joined: 07 Apr 2009
Posts: 3094
Location: Good Old Germany
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 Posted: Jul 30, 2019 03:34 Post subject: Re: Don Lum Collection |
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| Don Lum wrote: | | Dany Mabillard wrote: | | Don Lum wrote: | | Rhodochrosite |
Hello Don, Is the matrix entirely Pyrite or combined with another mineral? Dany. |
Hi Dany, I think Pyrite. |
For sure. There are many combinations with sulfides from Pachapaqui, but these rhodochrosites are typically sitting on pyrite.
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Don Lum
Joined: 03 Sep 2012
Posts: 2121
Location: Arkansas
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| Posted: Aug 04, 2019 13:13 Post subject: Re: Don Lum Collection |
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| Dany Mabillard wrote: | | Don Lum wrote: | | Rhodochrosite |
Hello Don,
Is the matrix entirely Pyrite or combined with another mineral ?
Dany. |
Dany, I looked at this specimen just now for the first time since I took the picture to post and it is Rhodochrosite on Pyrite and there are no other associated minerals that I can see.
Don
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Don Lum
Joined: 03 Sep 2012
Posts: 2121
Location: Arkansas
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| Posted: Aug 04, 2019 13:16 Post subject: Re: Don Lum Collection |
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Oppu Mine
| Mineral: | Rhodochrosite, Quartz |
| Locality: | | Oppu Mine, Nishimeya-mura, Naka-Tsugaru-gun, Aomori Prefecture, Tohoku Region, Honshu Island, Japan |  |
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| Dimensions: | 11 cm x 9 cm x 6.7 cm |
| Description: |
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1357 Time(s) |
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Dany Mabillard
Joined: 01 Jul 2019
Posts: 110
Location: Valais
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| Posted: Aug 04, 2019 14:03 Post subject: Re: Don Lum Collection |
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| Don Lum wrote: | | Dany Mabillard wrote: | | Don Lum wrote: | | Rhodochrosite |
Hello Don,
Is the matrix entirely Pyrite or combined with another mineral ?
Dany. |
Dany, I looked at this specimen just now for the first time since I took the picture to post and it is Rhodochrosite on Pyrite and there are no other associated minerals that I can see.
Don |
Thank you for the clarifications.
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Don Lum
Joined: 03 Sep 2012
Posts: 2121
Location: Arkansas
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| Posted: Aug 04, 2019 15:23 Post subject: Re: Don Lum Collection |
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This specimen of Rhodochrosite on Quartz from the Oppu Mine, P8040377, also has Pyrite.
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Don Lum
Joined: 03 Sep 2012
Posts: 2121
Location: Arkansas
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| Posted: Aug 09, 2019 17:22 Post subject: Re: Don Lum Collection |
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Ruby
| Mineral: | Corundum (variety ruby), Quartz |
| Locality: | | Jagdalek Mine, Surobi, Kabul, Afghanistan | |
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| Dimensions: | 44 mm x 43 mm x 32 mm |
| Description: |
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1199 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2121
Location: Arkansas
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| Posted: Aug 10, 2019 13:39 Post subject: Re: Don Lum Collection |
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Elbaite
| Mineral: | Elbaite (Tourmaline Group), Albite, Quartz |
| Locality: | | Badakhshan Province, Afghanistan | |
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| Dimensions: | 12 cm x 11.5 cm |
| Description: |
| Schorl, Achroite, Rubellite, Verdelite |
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1151 Time(s) |
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| Mineral: | Elbaite (Tourmaline Group), Albite, Quartz |
| Locality: | | Badakhshan Province, Afghanistan | |
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| Dimensions: | 12 cm x 11.5 cm |
| Description: |
| Schorl, Achroite, Rubellite, Verdelite |
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1150 Time(s) |
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Carles Millan
Site Admin
Joined: 05 May 2007
Posts: 1289
Location: Catalonia
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| Posted: Aug 10, 2019 13:54 Post subject: Re: Don Lum Collection |
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Great tourmaline, Don!
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Don Lum
Joined: 03 Sep 2012
Posts: 2121
Location: Arkansas
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| Posted: Aug 10, 2019 15:23 Post subject: Re: Don Lum Collection |
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| Carles Millan wrote: |
Great tourmaline, Don! |
Thank you, Carles, I appreciate your nice comment very much.
Regards,
Don
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Tobi
Joined: 07 Apr 2009
Posts: 3094
Location: Good Old Germany
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| Posted: Aug 11, 2019 07:28 Post subject: Re: Don Lum Collection |
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| I agree with Carles, this is really an impressive and great specimen. Again, a true museum piece, Don!
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Dany Mabillard
Joined: 01 Jul 2019
Posts: 110
Location: Valais
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| Posted: Aug 11, 2019 07:59 Post subject: Re: Don Lum Collection |
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| I agree with Tobi and Carles. Really impressive.
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Don Lum
Joined: 03 Sep 2012
Posts: 2121
Location: Arkansas
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| Posted: Aug 11, 2019 10:31 Post subject: Re: Don Lum Collection |
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| Tobi wrote: | | I agree with Carles, this is really an impressive and great specimen. Again, a true museum piece, Don! |
Thank you so much for your comment, Tobi. I hope you and your family are well.
Regards,
Don
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Don Lum
Joined: 03 Sep 2012
Posts: 2121
Location: Arkansas
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| Posted: Aug 11, 2019 10:35 Post subject: Re: Don Lum Collection |
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| Dany Mabillard wrote: | | I agree with Tobi and Carles. Really impressive. |
Dany, I appreciate your comment. I am enjoying your collection. Please continue to post.
Regards,
Don
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Don Lum
Joined: 03 Sep 2012
Posts: 2121
Location: Arkansas
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| Posted: Aug 11, 2019 13:34 Post subject: Re: Don Lum Collection |
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Corundum
| Mineral: | Corundum (variety ruby) |
| Locality: | | Mogok Valley, Mogok Township, Pyin-Oo-Lwin District, Mandalay Division, Burma | |
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| Dimensions: | 42 mm x 40 mm x 28 mm |
| Description: |
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| Viewed: |
969 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2121
Location: Arkansas
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| Posted: Aug 12, 2019 20:38 Post subject: Re: Don Lum Collection |
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Copper after Cuprite
| Mineral: | Copper after Cuprite |
| Locality: | | Poteryaevskoe Mine, Rubtsovskoe, Rudnyi Altai, Altaiskii Kray, Western-Siberian Region, Russia | |
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| Dimensions: | 175 mm x 115 mm x 105 mm |
| Description: |
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| Viewed: |
893 Time(s) |
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Tobi
Joined: 07 Apr 2009
Posts: 3094
Location: Good Old Germany
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| Posted: Aug 13, 2019 02:50 Post subject: Re: Don Lum Collection |
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| Don Lum wrote: | | Copper after Cuprite |
Nearly 18 cm, again a piece worthy of a museum display. Don, I can't find words for your spectacular specimens, this thread keeps taking my breath away!
But I think it's not only copper after cuprite but also some "fresh" cuprite crystals attached?
Please more stuff from the DLMM (Don Lum Mineral Museum)!!! :-)
Regards
Tobi
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Don Lum
Joined: 03 Sep 2012
Posts: 2121
Location: Arkansas
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| Posted: Aug 13, 2019 09:48 Post subject: Re: Don Lum Collection |
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| Tobi wrote: | | Don Lum wrote: | | Copper after Cuprite |
Nearly 18 cm, again a piece worthy of a museum display. Don, I can't find words for your spectacular specimens, this thread keeps taking my breath away!
But I think it's not only copper after cuprite but also some "fresh" cuprite crystals attached?
Please more stuff from the DLMM (Don Lum Mineral Museum)!!! :-)
Regards
Tobi |
Tobi,
Thank you for your nice comments. Yes, there are Cuprite crystals on the specimen and I am keeping it in the dark. It is great to hear from you.
Regards,
Don
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Don Lum
Joined: 03 Sep 2012
Posts: 2121
Location: Arkansas
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| Posted: Aug 22, 2019 14:22 Post subject: Re: Don Lum Collection |
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We just returned home from my great-niece's wedding DEEP IN THE HEART OF TEXAS.
| Mineral: | Elbaite (Tourmaline Group), Quartz (variety smoky quartz), Albite |
| Locality: | | Paprok, Kamdesh District, Nuristan Province, Afghanistan | |
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| Dimensions: | 165 mm x 145 mm x 95 mm |
| Description: |
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| Viewed: |
596 Time(s) |
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Dany Mabillard
Joined: 01 Jul 2019
Posts: 110
Location: Valais
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| Posted: Aug 23, 2019 14:17 Post subject: Re: Don Lum Collection |
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| Tobi wrote: | | Don Lum wrote: | | Copper after Cuprite |
Nearly 18 cm, again a piece worthy of a museum display. Don, I can't find words for your spectacular specimens, this thread keeps taking my breath away!
But I think it's not only copper after cuprite but also some "fresh" cuprite crystals attached?
Please more stuff from the DLMM (Don Lum Mineral Museum)!!! :-)
Regards
Tobi |
Could I apply for membership of the DLMM's friend association ?
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Don Lum
Joined: 03 Sep 2012
Posts: 2121
Location: Arkansas
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| Posted: Aug 23, 2019 14:42 Post subject: Re: Don Lum Collection |
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| Dany Mabillard wrote: | | Tobi wrote: | | Don Lum wrote: | | Copper after Cuprite |
Nearly 18 cm, again a piece worthy of a museum display. Don, I can't find words for your spectacular specimens, this thread keeps taking my breath away!
But I think it's not only copper after cuprite but also some "fresh" cuprite crystals attached?
Please more stuff from the DLMM (Don Lum Mineral Museum)!!! :-)
Regards
Tobi |
Could I apply for membership of the DLMM's friend association ? |
Yes, Tobi, you can be a charter member.
Thanks.
Regards,
Don
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