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Bob Morgan
Joined: 18 Jan 2018
Posts: 228
Location: Savannah, Georgia
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Posted: Feb 14, 2022 18:54 Post subject: Re: Don Lum Collection |
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One habit is a twin the other is non-twinned. It's rare but possible and has been seen on other minerals more commonly like quartz.
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 14, 2022 19:12 Post subject: Re: Don Lum Collection |
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Bob Morgan wrote: | One habit is a twin the other is non-twinned. It's rare but possibl and has been seen on other minerals more commonly like quartz. |
Thank you for your interesting comment, Bob.
Don
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 17, 2022 17:47 Post subject: Re: Don Lum Collection |
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Malachite
Mineral: | Malachite |
Locality: | Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of the Congo (Zaire) | |
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Dimensions: | 63 mm x 28 mm |
Description: |
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Viewed: |
7801 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 19, 2022 19:48 Post subject: Re: Don Lum Collection |
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Kunzite with Helix
Mineral: | Spodumene (variety kunzite) |
Locality: | Mawi Pegmatite, Nilaw-Kolum, Du Ab District, Nuristan Province, Afghanistan | |
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Dimensions: | 173 mm x 59 mm |
Description: |
Kunzite with spiral dislocation |
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Viewed: |
7734 Time(s) |
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Mineral: | Spodumene (variety kunzite) |
Locality: | Mawi Pegmatite, Nilaw-Kolum, Du Ab District, Nuristan Province, Afghanistan | |
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Dimensions: | 173 mm x 59 mm |
Description: |
Kunzite with spiral dislocation |
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Viewed: |
7737 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Feb 26, 2022 14:35 Post subject: Re: Don Lum Collection |
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Malachite after Azurite
Mineral: | Malachite after Azurite |
Locality: | Touissit mining area, Touissit District, Jerada Province, Oriental Region, Morocco | |
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Dimensions: | 39 mm x 34 mm x 26 mm |
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7607 Time(s) |
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Mineral: | Malachite after Azurite |
Locality: | Sir Dominick Mine, Yudnamutana District, Arkaroola Region, South Australia, Australia | |
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Dimensions: | 26 mm x 25 mm |
Description: |
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Viewed: |
7618 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 01, 2022 14:47 Post subject: Re: Don Lum Collection |
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Malachite
Mineral: | Malachite |
Locality: | Copper Queen Mine, Queen Hill, Bisbee, Warren District, Mule Mountains, Cochise County, Arizona, USA | |
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Dimensions: | 65 mm x 45 mm |
Description: |
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Viewed: |
7460 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 04, 2022 16:16 Post subject: Re: Don Lum Collection |
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Malachite
Mineral: | Malachite |
Locality: | Copper Queen Mine, Queen Hill, Bisbee, Warren District, Mule Mountains, Cochise County, Arizona, USA | |
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Dimensions: | 87 mm x 70 mm |
Description: |
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Viewed: |
7355 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 05, 2022 16:39 Post subject: Re: Don Lum Collection |
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Mimetite, Pyromorphite
Mineral: | Mimetite, Pyromorphite |
Locality: | Shizhuyuan Mine, Dongpo, Yizhang District, Chenzhou Prefecture, Hunan Province, China | |
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Dimensions: | 98 mm x 57 mm x 32 mm |
Description: |
Mimetite with minor Pyromorphite |
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Viewed: |
7219 Time(s) |
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Mineral: | Mimetite, Pyromorphite |
Locality: | Shizhuyuan Mine, Dongpo, Yizhang District, Chenzhou Prefecture, Hunan Province, China | |
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Dimensions: | 98 mm x 57 mm x 32 mm |
Description: |
Mimetite with minor Pyromorphite |
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Viewed: |
7210 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 07, 2022 13:38 Post subject: Re: Don Lum Collection |
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Apatite
Mineral: | Apatite, Muscovite |
Locality: | Erongo Mountain, Usakos, Erongo Region, Namibia | |
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Dimensions: | 20 mm x 17 mm x 15 mm |
Description: |
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Viewed: |
7125 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 12, 2022 19:32 Post subject: Re: Don Lum Collection |
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Faden Quartz
Mineral: | Quartz (variety faden) |
Locality: | Diamantina, Jequitinhonha, Minas Gerais, Brazil | |
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Dimensions: | 145 mm x 137 mm |
Description: |
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Viewed: |
6946 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 17, 2022 22:35 Post subject: Re: Don Lum Collection |
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Fluorite
Mineral: | Fluorite, Calcite, Sphalerite |
Locality: | Annabel Lee Mine, Harris Creek Sub-District, Hardin County, Illinois, USA | |
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Dimensions: | 125 mm x 115 mm |
Description: |
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Viewed: |
6657 Time(s) |
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Sante Celiberti
Joined: 04 Oct 2019
Posts: 699
Location: Tuscany
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Posted: Mar 18, 2022 01:57 Post subject: Re: Don Lum Collection |
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Fantastic composition for a classic combo!
The size and colors of the zoned gemmy Fluorite are impressive.
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4106
Location: Germany
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Posted: Mar 18, 2022 07:42 Post subject: Re: Don Lum Collection |
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Indeed a wonderful specimen, Don, I like it :-)
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 18, 2022 09:06 Post subject: Re: Don Lum Collection |
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Thank you for your kind comments about the Fluorite specimen.
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 18, 2022 09:17 Post subject: Re: Don Lum Collection |
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Sante and Tobi, thank you for your kind comments about the Fluorite specimen.
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 19, 2022 18:44 Post subject: Re: Don Lum Collection |
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Schorl with Amethyst
Mineral: | Schorl (Tourmaline Group), Quartz (variety amethyst) |
Locality: | Erongo Mountain, Usakos, Erongo Region, Namibia | |
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Dimensions: | 115 mm x 80 mm x 65 mm |
Description: |
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Viewed: |
6479 Time(s) |
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silvia
Joined: 10 Oct 2021
Posts: 253
Location: UK
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Posted: Mar 19, 2022 22:38 Post subject: Re: Don Lum Collection |
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Don Lum wrote: | Schorl with Amethyst |
Very lovely specimen and a fine photo.
Silvia
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 20, 2022 00:06 Post subject: Re: Don Lum Collection |
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Thank you very much Silvia.
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 20, 2022 17:48 Post subject: Re: Don Lum Collection |
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Silver
Mineral: | Silver |
Locality: | Cobalt area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada | |
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Dimensions: | 76 mm x 38 mm x 30 mm |
Description: |
Silver (arborescent crystals) |
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Viewed: |
6367 Time(s) |
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Mineral: | Silver |
Locality: | Cobalt area, Cobalt-Gowganda Region, Timiskaming District, Ontario, Canada | |
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Dimensions: | 76 mm x 38 mm x 30 mm |
Description: |
Silver (arborescent crystals) |
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Viewed: |
6376 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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Posted: Mar 24, 2022 22:58 Post subject: Re: Don Lum Collection |
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Copper after Azurite
Mineral: | Copper after Azurite |
Locality: | Chino Mine, Santa Rita, Santa Rita District, Grant County, New Mexico, USA | |
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Dimensions: | 44 mm x 38 mm x 32 mm |
Description: |
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Viewed: |
6190 Time(s) |
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