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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Nov 01, 2021 23:10 Post subject: Re: Don Lum Collection |
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Native Element
Mineral: | Gold (variety leafy gold), Quartz (variety chalcedony) |
Locality: | Potosí claim, La Tosca cut, Municipio Vetas, Soto Province, Santander Department, Colombia | |
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Dimensions: | 29 mm x 31 mm x 26 mm |
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8474 Time(s) |
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_________________ hogwild |
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Nov 02, 2021 21:00 Post subject: Re: Don Lum Collection |
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Magnetite (Ti-bearing)
Mineral: | Magnetite (variety Ti-bearing), Microcline |
Locality: | Imilchil area, Anti-Atlas, Er Rachidia Province, Drâa-Tafilalet Region, Morocco | |
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Dimensions: | 53 mm x 39 mm x 22 mm |
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8415 Time(s) |
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silvia
Joined: 10 Oct 2021
Posts: 253
Location: UK
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Posted: Nov 02, 2021 22:24 Post subject: Re: Don Lum Collection |
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Don Lum wrote: | Magnetite (Ti-bearing) |
very nice specimen. Great photo - as always.
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Nov 02, 2021 22:49 Post subject: Re: Don Lum Collection |
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silvia wrote: | Don Lum wrote: | Magnetite (Ti-bearing) |
very nice specimen. Great photo - as always. |
Silvia, thank you so much for your kind comment. I am enjoying your posts.
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Nov 07, 2021 22:13 Post subject: Re: Don Lum Collection |
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Gitter Quartz
Mineral: | Quartz, Feldspar, Opal (variety hyalite) |
Locality: | Erongo Mountain, Usakos, Erongo Region, Namibia | |
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Dimensions: | 114 mm x 114 mm x 75 mm |
Description: |
Quartz, Feldspar, Hyalite Opal (fluorescent) Epitaxial growth of Gitter Quartz on a sharply terminated Orthoclase Feldspar crystal |
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8309 Time(s) |
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Bob Morgan
Joined: 18 Jan 2018
Posts: 229
Location: Savannah, Georgia
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Posted: Nov 08, 2021 07:46 Post subject: Re: Don Lum Collection |
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Wow! what a 'gitter' quartz - interesting and beautiful too.
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Nov 08, 2021 09:52 Post subject: Re: Don Lum Collection |
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Bob Morgan wrote: | Wow! what a 'gitter' quartz - interesting and beautiful too. |
Bob, thank you for your nice comment about the gitter quartz. I am very happy to have this piece in my collection. It is really good to hear from you.
Regards,
Don
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Nov 11, 2021 12:26 Post subject: Re: Don Lum Collection |
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Siderite, Pyrite
Mineral: | Siderite, Pyrite (octahedral) |
Locality: | Minas da Panasqueira, level 2, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal | |
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Dimensions: | 100 mm x 78 mm x 65 mm |
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8103 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Nov 28, 2021 22:03 Post subject: Re: Don Lum Collection |
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Muscovite
Mineral: | Muscovite, Quartz |
Locality: | Keystone, Keystone District, Pennington County, South Dakota, USA | |
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Dimensions: | 64 mm x 61 mm x 54 mm |
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Viewed: |
7881 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Nov 30, 2021 23:52 Post subject: Re: Don Lum Collection |
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Quartz
Mineral: | Quartz, Fluorite, Chlorite |
Locality: | Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China | |
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Dimensions: | 123 mm x 52 mm x 50 mm |
Description: |
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7784 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Dec 06, 2021 23:31 Post subject: Re: Don Lum Collection |
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Odontolite after fossil tooth
Photo taken with Olympus Stylus TG-4
Mineral: | 'Apatite' (variety odontolite after fossil tooth) |
Locality: | Mockleiten Mine, Brixlegg, Kufstein District, Inn Valley, North Tyrol, Tyrol/Tirol, Austria | |
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Dimensions: | 28.5 mm x 22.4 mm x 20 mm |
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7645 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Dec 07, 2021 20:12 Post subject: Re: Don Lum Collection |
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Imayoshiite with Bultfonteinite
Photo taken with Olympus Stylus TG-4
Mineral: | Imayoshiite, Bultfonteinite, Torbermorite (Group) |
Locality: | Shijiangshan Mine, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region, China | |
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Dimensions: | 44 mm x 40 mm x 16 mm |
Description: |
(07/15/2021) Published in French Le Regne Mineral Magazine |
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7583 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Dec 19, 2021 20:22 Post subject: Re: Don Lum Collection |
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Vivianite, Ludlamite
Mineral: | Vivianite, Ludlamite |
Locality: | Cabeça do Cachorro claim, São Gabriel da Cachoeira, Cabeça do Cachorro area, Amazonas, Brazil | |
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Dimensions: | 127 mm x 96 mm |
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Viewed: |
7347 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Dec 21, 2021 23:18 Post subject: Re: Don Lum Collection |
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Siderite
Mineral: | Siderite, Chalcopyrite,Tetrahedrite |
Locality: | Kaiwu Mine, Hezhang, Bijie Prefecture, Guizhou Province, China | |
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Dimensions: | 73 mm x 65 mm |
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Viewed: |
7223 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Dec 22, 2021 22:21 Post subject: Re: Don Lum Collection |
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Quartz cups
Mineral: | Fluorite, Quartz |
Locality: | Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region, China | |
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Dimensions: | 225 mm x 214 mm |
Description: |
White Quartz cups and Fluorite |
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Viewed: |
7149 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Dec 24, 2021 22:54 Post subject: Re: Don Lum Collection |
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Merry Christmas and Happy New Year to All !!!
Mineral: | Pyrite perimorphic of Baryte |
Locality: | Bou Nahas Mine, Oumjrane mining area, Alnif Commune, Tinghir Province, Drâa-Tafilalet Region, Morocco | |
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Dimensions: | 105 mm x 88 mm |
Description: |
White parallel and tabular Baryte crystals covered by a perimorphic growth of a mosaic of small, very bright, cubic and octahedral Pyrite crystals. (07/2020) |
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7040 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Jan 01, 2022 00:19 Post subject: Re: Don Lum Collection |
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WISHING EVERYONE A HAPPY AND HEALTHY 2022 !
Mineral: | Calcite, Chalcopyrite |
Locality: | Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri, USA | |
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Dimensions: | 291 mm x 160 mm |
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6837 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 |
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Viewed: |
6816 Time(s) |
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Don Lum
Joined: 03 Sep 2012
Posts: 2869
Location: Arkansas
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Posted: Jan 02, 2022 16:05 Post subject: Re: Don Lum Collection |
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Hiddenite
Mineral: | Spodumene (variety hiddenite) |
Locality: | Adams Hiddenite and Emerald Mine, Alexander County, North Carolina, USA | |
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Dimensions: | 19 mm x 6 mm |
Description: |
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Viewed: |
6684 Time(s) |
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Bob Harman
Joined: 06 Nov 2015
Posts: 765
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Posted: Jan 03, 2022 13:49 Post subject: Re: Don Lum Collection |
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Don Lum wrote: | WISHING EVERYONE A HAPPY AND HEALTHY 2022 ! |
Hi Don.... and Happy New Year to you as well!
While I think your specimen of Calcite with Chalcopyrite is aesthetic and interesting, I have to seriously question your given locality.
The Elmwood mining complex in Tennessee certainly produced many fine calcites and some small chalcopyrites, (usually as inclusions in fluorite), but your example most probably comes from the Viburnum Trend mining district in Missouri. It may also come from the Tristate Mining District, also in Missouri.
The expression of the calcite crystal like you show is just not from Tennessee and the accompanying larger iridescent chalcopyrites like you show were both from Missouri and not Tennessee.
I suggest you recheck the specimen label and from whom you acquired the specimen.
Anyone else on the forum agree or disagree with my identification of this specimen?
Happy New Year to all, BOB
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Carles Millan
Site Admin
Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Posted: Jan 03, 2022 14:23 Post subject: Re: Don Lum Collection |
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Yes, I also think it's not the style of calcite crystals from the Tennessee deposits we are used to seeing. Much more like to the ones from Missouri. I own several from both states.
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