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29 Mar-00:03:53 Identification question (Jim Wilkinson)
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28 Mar-09:37:50 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-19:47:08 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Pete Richards)
27 Mar-16:15:44 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-15:18:59 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Alfredo)
27 Mar-14:39:29 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
27 Mar-05:21:48 Re: the mim museum in beirut, lebanon (Mim Museum)
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27 Mar-02:39:50 Re: the mim museum in beirut, lebanon (Tobi)
27 Mar-00:23:28 Re: collection of volkmar stingl (Volkmar Stingl)
26 Mar-00:53:41 Re: collection of volkmar stingl (Volkmar Stingl)
25 Mar-13:32:10 Re: collection of michael shaw (Michael Shaw)
25 Mar-00:25:58 The mizunaka collection - quartz (Am Mizunaka)
23 Mar-13:35:22 Re: collection of firmo espinar (Firmo Espinar)
22 Mar-08:32:28 Re: collection of michael shaw (Michael Shaw)
22 Mar-04:20:41 Re: the mim museum in beirut, lebanon (Mim Museum)
21 Mar-22:49:19 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-22:47:40 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-22:45:25 Re: green seam. Looks like it in a state of decay. (Ning)
21 Mar-15:34:23 Re: the mizunaka collection - quartz (Am Mizunaka)
21 Mar-14:35:08 Re: jim’s mineral collection (Jim Wilkinson)
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Don Lum Collection
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Volkmar Stingl




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PostPosted: Jul 18, 2021 22:38    Post subject: Re: Don Lum Collection  

Don Lum wrote:
Rhodochrosite


A wonderful Rhodo combo from Wutong! I have seen a lot from there (even the "Empress of China"), but yours has a perfect size for a collection and is really outstanding. I love it!

Volkmar.
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Don Lum




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PostPosted: Jul 18, 2021 23:18    Post subject: Re: Don Lum Collection  

Thank you so much for your kind comments on my Rhodochrosite, Volkmar. It is good to hear from you. I am enjoying your collection.

Regards,

Don

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Don Lum




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PostPosted: Jul 19, 2021 23:07    Post subject: Re: Don Lum Collection  

Morganite


P7182849 (2).JPG
 Mineral: Beryl (variety morganite), Quartz, Lepidolite, Albite
 Locality:
Dara-I-Pech District (Pech District), Kunar Province (Konar), Afghanistan
 Dimensions: 89 mm x 78 mm x 32 mm
 Description:
 Viewed:  8752 Time(s)

P7182849 (2).JPG



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Don Lum




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PostPosted: Jul 20, 2021 22:11    Post subject: Re: Don Lum Collection  

Smithsonite


P7172834 (2).JPG
 Mineral: Smithsonite
 Locality:
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
 Dimensions: 38 mm x 23 mm x 11 mm
 Description:
 Viewed:  8702 Time(s)

P7172834 (2).JPG



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Don Lum




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PostPosted: Aug 02, 2021 23:11    Post subject: Re: Don Lum Collection  

Fluorite after Calcite


P8022910 (2).JPG
 Mineral: Fluorite, Calcite and Fluorite after Calcite
 Locality:
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region, China
 Dimensions: 104 mm x 94 mm x 75 mm
 Description:
Clear octahedral stepped Fluorite. Pink Calcite crystal replaced by Fluorite.
 Viewed:  8570 Time(s)

P8022910 (2).JPG



P8022925 (2).JPG
 Mineral: Fluorite, Calcite and Fluorite after Calcite
 Locality:
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region, China
 Dimensions: 104 mm x 94 mm x 75 mm
 Description:
 Viewed:  8585 Time(s)

P8022925 (2).JPG



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Don Lum




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PostPosted: Aug 07, 2021 14:02    Post subject: Re: Don Lum Collection  

Calcite with drusy Pyrite


P8052934 (2).JPG
 Mineral: Calcite, Pyrite
 Locality:
Quanzhou Prefecture, Fujian Province, China
 Dimensions: 90 mm x 70 mm x 57 mm
 Description:
Calcite with drusy Pyrite
 Viewed:  8464 Time(s)

P8052934 (2).JPG



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Don Lum




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PostPosted: Aug 08, 2021 11:14    Post subject: Re: Don Lum Collection  

Arsenopyrite Twin Crystal


P8052945 (2).JPG
 Mineral: Arsenopyrite, Quartz
 Locality:
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
 Dimensions: 72 mm x 57 mm x 50 mm
 Description:
Arsenopyrite Twin Crystal
 Viewed:  8443 Time(s)

P8052945 (2).JPG



P8052952 (2).JPG
 Mineral: Arsenopyrite, Quartz and Muscovite
 Locality:
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
 Dimensions: 72 mm x 57 mm x 50 mm
 Description:
Arsenopyrite Twin Crystal
 Viewed:  8439 Time(s)

P8052952 (2).JPG



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Tobi
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PostPosted: Aug 12, 2021 13:12    Post subject: Re: Don Lum Collection  

Awesome Huanggang fluorite, Don!
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Don Lum




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PostPosted: Aug 12, 2021 13:56    Post subject: Re: Don Lum Collection  

Tobi wrote:
Awesome Huanggang fluorite, Don!


Thank you, Tobi. I am glad to hear from you.

Take care.

Don

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Bob Morgan




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PostPosted: Aug 13, 2021 07:39    Post subject: Re: Don Lum Collection  

Wonderful overgrowth. It appears to me that calcite is mainly involved rather than quartz.
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Jordi Fabre
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PostPosted: Aug 13, 2021 12:33    Post subject: Re: Don Lum Collection  

Bob Morgan wrote:
Wonderful overgrowth. It appears to me that calcite is mainly involved rather than quartz.

If you refer to: https://www.mineral-forum.com/message-board/viewtopic.php?p=76013#76013
at the front image https://www.mineral-forum.com/message-board/download.php?id=103144 the Quartz seems obvious to me and at the rear image https://www.mineral-forum.com/message-board/download.php?id=103143 the 'Calcite-shape crystals' they could be the same Arsenopyrite crystals as the front but with a kind of strange reflection. I can see also Muscovite at the bottom...
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Bob Morgan




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PostPosted: Aug 13, 2021 18:41    Post subject: Re: Don Lum Collection  

Sorry I missed the first photo and the quartz. OK the light effect along with the shape to the upper right had me seeing calcite. Thanks for the correction.
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Don Lum




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PostPosted: Sep 07, 2021 21:35    Post subject: Re: Don Lum Collection  

Trapiche Amethyst


P9062954 (2).JPG
 Mineral: Quartz (variety amethyst variety trapiche)
 Locality:
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region, China
 Dimensions: 64 mm x 44 mm x 42 mm
 Description:
 Viewed:  7708 Time(s)

P9062954 (2).JPG



P9062966 (2).JPG
 Mineral: Quartz (variety amethyst variety trapiche)
 Locality:
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region, China
 Dimensions: 64 mm x 44 mm x 42 mm
 Description:
 Viewed:  7727 Time(s)

P9062966 (2).JPG



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Tobi
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PostPosted: Sep 08, 2021 02:17    Post subject: Re: Don Lum Collection  

A great quartz crystal, Don! Always amazing to see what comes out of the mines of Huanggang.
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am mizunaka




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PostPosted: Sep 08, 2021 03:14    Post subject: Re: Don Lum Collection  

A very cool crystal. I have only seen slices before of this type of material.
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Don Lum




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PostPosted: Sep 08, 2021 11:15    Post subject: Re: Don Lum Collection  

Thank you for your comments Tobi and Mike. I had not seen a complete crystal before this one; just polished slices and cabochons.

Take care,

Don

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Don Lum




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PostPosted: Sep 08, 2021 21:17    Post subject: Re: Don Lum Collection  

Opal-CT (variety lussatite)


P9062976 (2).JPG
 Mineral: Opal-CT (variety lussatite) after fossil (Helix ramondi)
 Locality:
Les Rois Mine, Mur-sur-Allier, Pont-du-Château, Clermont-Ferrand District, Puy-de-Dôme Department, Auvergne-Rhône-Alpes, France
 Dimensions: 92 mm x 45 mm x 39 mm
 Description:
 Viewed:  7563 Time(s)

P9062976 (2).JPG



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Don Lum




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PostPosted: Oct 06, 2021 20:57    Post subject: Re: Don Lum Collection  

Epimorphic growth of Pyromorphite on Fluorite


PA062988 (2).JPG
 Mineral: Pyromorphite on Fluorite, Baryte
 Locality:
Les Farges Mine (Des Farges Mine), Ussel, Corrèze, Nouvelle-Aquitaine, France
 Dimensions: 155 mm x 96 mm x 75 mm
 Description:
Epimorphic growth of Pyromorphite on Fluorite
Pyromorphite coating Fluorite, Baryte
 Viewed:  6970 Time(s)

PA062988 (2).JPG



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Tobi
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PostPosted: Oct 07, 2021 01:48    Post subject: Re: Don Lum Collection  

Don Lum wrote:
Pyromorphite on Fluorite, Baryte
Les Farges Mine, Ussel, Ussel, Corrèze, Nouvelle-Aquitaine, France
155 mm x 96 mm x 75 mm
Epimorphic growth of Pyromorphite on Fluorite
Pyromorphite coating Fluorite, Baryte
Very nice combination of three great minerals from a famous locality! And the size and the colour contrast - wow! Really an impressive European classic!

(But, though I'm not an expert on French minerals: I think I have seen these combination specimens rather from Chaillac, one of the other classic and famous French localities. But maybe similar ones also came from Les Farges, I'm not sure, maybe someone with more knowledge of French minerals can help here ...?)

Regards
Tobi
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Sante Celiberti




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PostPosted: Oct 07, 2021 03:39    Post subject: Re: Don Lum Collection  

Hello, Don.

A really nice and unusual specimen. I like it very much.
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