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28 Mar-09:37:50 Re: 2 unknowns co-occurring with caledonite, grand reef mine, az (Cfrench58)
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Don Lum Collection
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Don Lum




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PostPosted: Jun 11, 2017 19:00    Post subject: Re: Don Lum Collection  

Don Lum wrote:
crosstimber wrote:
We looked through quite a few of these in Tucson. Most were poorly crystallized and failed to demonstrate a good color change. Yours is nice on both counts - congrats.


Thank you, Michael. I took a few more pictures of this specimen today and if they are better, I will post later.



P6111062.JPG
 Mineral: Chrysoberyl (variety Alexandrite)
 Locality:
Novello Mine, Masvingo (Fort Victoria), Masvingo District, Masvingo Province, Zimbabwe
 Dimensions: 34 mm x 24 mm x 17 mm
 Description:
Sixling Twin, incandescent
 Viewed:  19032 Time(s)

P6111062.JPG



P6111056.JPG
 Mineral: Chrysoberyl (variety Alexandrite)
 Locality:
Novello Mine, Masvingo (Fort Victoria), Masvingo District, Masvingo Province, Zimbabwe
 Dimensions: 34 mm x 24 mm x 17 mm
 Description:
Sixling Twin, sun
 Viewed:  19070 Time(s)

P6111056.JPG



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Don Lum




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PostPosted: Jun 11, 2017 19:05    Post subject: Re: Don Lum Collection  

Muscovite after Tourmaline


IMG_7326.JPG
 Mineral: Muscovite after Tourmaline
 Locality:
Sapo Mine, Ferruginha, Conselheiro Pena, Vale do Rio Doce, Minas Gerais, Brazil
 Dimensions: 82 mm x 37 mm x 35 mm
 Description:
 Viewed:  19045 Time(s)

IMG_7326.JPG



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Carles Millan
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PostPosted: Jun 12, 2017 03:06    Post subject: Re: Don Lum Collection  

Don Lum wrote:
Previously posted, better pictures

Splendid rhodo, Don! Very nice, I love it.

( https://www.mineral-forum.com/message-board/viewtopic.php?p=57335#57335 )
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PostPosted: Jun 12, 2017 08:41    Post subject: Re: Don Lum Collection  

A nice piece, indeed. However, i doubt that the specimen was collected pre-1910. The first time the Wolf mine was mentioned was in 1904, actually. The first rhodo specimens that came out here (in the 1920s or so) were rather ugly. More or less all of the "classic" good pieces were found in the 1950s and 1960s before the mine closed in 1962.
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Don Lum




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PostPosted: Jun 12, 2017 11:09    Post subject: Re: Don Lum Collection  

Carles Millan wrote:
Don Lum wrote:
Previously posted, better pictures

Splendid rhodo, Don! Very nice, I love it.

( https://www.mineral-forum.com/message-board/viewtopic.php?p=57335#57335 )


Carles, thank you for your kind words. I appreciate the compliment.

Best wishes,

Don

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PostPosted: Jun 15, 2017 11:32    Post subject: Re: Don Lum Collection  

Mexico


IMG_7349.JPG
 Mineral: Calcite
 Locality:
Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua, Mexico
 Dimensions: 85 mm x 46 mm x 40 mm
 Description:
ex Geoffrey J. Krasnov
 Viewed:  18783 Time(s)

IMG_7349.JPG



P6101014.JPG
 Mineral: Rosasite
 Locality:
Ojuela Mine, Mapimí, Municipio Mapimí, Durango, Mexico
 Dimensions: 40 mm x 35 mm x 15 mm
 Description:
 Viewed:  18749 Time(s)

P6101014.JPG



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Don Lum




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PostPosted: Jun 18, 2017 21:58    Post subject: Re: Don Lum Collection  

Namibia


P6101028.JPG
 Mineral: Fluorite, Quartz
 Locality:
Karibib District, Erongo Region, Namibia
 Dimensions: 26 mm x 22 x 11 mm
 Description:
 Viewed:  18669 Time(s)

P6101028.JPG



P6101040.JPG
 Mineral: Cerussite
 Locality:
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
 Dimensions: 33 mm x 33 mm x 29 mm
 Description:
ex Russell Jones
 Viewed:  18666 Time(s)

P6101040.JPG



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PostPosted: Jun 22, 2017 17:07    Post subject: Re: Don Lum Collection  

Goethite


IMG_7360.JPG
 Mineral: Goethite
 Locality:
Kalahari manganese field (KMF), Northern Cape Province, South Africa
 Dimensions: 100 mm x 70 mm x 50 mm
 Description:
 Viewed:  18465 Time(s)

IMG_7360.JPG



P6101052.JPG
 Mineral: Goethite
 Locality:
Kalahari manganese field (KMF), Northern Cape Province, South Africa
 Dimensions: 100 mm x 70 mm x 50 mm
 Description:
 Viewed:  18506 Time(s)

P6101052.JPG



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Don Lum




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PostPosted: Jun 23, 2017 17:55    Post subject: Re: Don Lum Collection  

Plumbogummite after Pyromorphite


IMG_7372.JPG
 Mineral: Plumbogummite after Pyromorphite
 Locality:
Yangshuo / Laohu area, Haiyang Mountains, Guilin Prefecture, Guangxi Zhuang Autonomous Region, China
 Dimensions: 71 mm x 64 mm x 58 mm
 Description:
 Viewed:  18373 Time(s)

IMG_7372.JPG



P6231074.JPG
 Mineral: Plumbogummite after Pyromorphite
 Locality:
Yangshuo / Laohu area, Haiyang Mountains, Guilin Prefecture, Guangxi Zhuang Autonomous Region, China
 Dimensions: 71 mm x 64 mm x 58 mm
 Description:
 Viewed:  18378 Time(s)

P6231074.JPG



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PostPosted: Jun 24, 2017 10:55    Post subject: Re: Don Lum Collection  

Pyrite, Sphalerite


IMG_7381.JPG
 Mineral: Pyrite, Sphalerite
 Locality:
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru
 Dimensions: 52 mm x 36 mm x 29 mm
 Description:
 Viewed:  18326 Time(s)

IMG_7381.JPG



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PostPosted: Jun 25, 2017 13:02    Post subject: Re: Don Lum Collection  

Apatite, Quartz


IMG_7389.JPG
 Mineral: Apatite, Quartz
 Locality:
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal
 Dimensions: 86 mm x 53 mm x 35 mm
 Description:
 Viewed:  18212 Time(s)

IMG_7389.JPG



P6231104.JPG
 Mineral: Apatite, Quartz
 Locality:
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal
 Dimensions: 86 mm x 53 mm x 35 mm
 Description:
 Viewed:  18246 Time(s)

P6231104.JPG



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PostPosted: Jul 01, 2017 22:38    Post subject: Re: Don Lum Collection  

Pakistan


P7011137.JPG
 Mineral: Elbaite (Tourmaline Group), Quartz, Albite (var cleavelandite)
 Locality:
Stak Nala, Haramosh Mountains, Roundu District, Gilgit-Baltistan (Northern Areas), Pakistan
 Dimensions: 55 mm x 38 mm x 29 mm
 Description:
ex Richard Burns
 Viewed:  18105 Time(s)

P7011137.JPG



IMG_7402.JPG
 Mineral: Pollucite
 Locality:
Dassu, Braldu Valley, Shigar District, Gilgit-Baltistan (Northern Areas), Pakistan
 Dimensions: 86 mm x 40 mm x 27mm
 Description:
 Viewed:  18126 Time(s)

IMG_7402.JPG



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PostPosted: Jul 02, 2017 03:00    Post subject: Re: Don Lum Collection  

Don Lum wrote:
Elbaite, Quartz, Albite
Locality: Stak Nala, Haramosh Mountains, Skardu District, Baltistan, Gilgit-Baltistan (Northern Areas), Pakistan
ex Richard Burns
A quite unusual elbaite specimen from Stak Nala, compared to most others I've seen. Most of them have a colour scheme of green, black, grey, white and sometimes a pale pink, and they're also translucent instead of transparent. But the crystals on your specimen seem to be gemmy and to have an upper part that is blue. This makes it a remarkable specimen for me, even though it is neither large nor spectacular.
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PostPosted: Jul 02, 2017 12:21    Post subject: Re: Don Lum Collection  

Tobi wrote:
Don Lum wrote:
Elbaite, Quartz, Albite
Locality: Stak Nala, Haramosh Mountains, Skardu District, Baltistan, Gilgit-Baltistan (Northern Areas), Pakistan
ex Richard Burns
A quite unusual elbaite specimen from Stak Nala, compared to most others I've seen. Most of them have a colour scheme of green, black, grey, white and sometimes a pale pink, and they're also translucent instead of transparent. But the crystals on your specimen seem to be gemmy and to have an upper part that is blue. This makes it a remarkable specimen for me, even though it is neither large nor spectacular.


Thank you for your comment, Tobi. It appears to be Indicolite at the tip of the main crystal with a thin layer of Achroite between the Indicolite and the Verdite. It is very nice to hear from you.

Don

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PostPosted: Jul 02, 2017 16:18    Post subject: Re: Don Lum Collection  

Pyromorphite, Germany


IMG_7410.JPG
 Mineral: Pyromorphite
 Locality:
Gute Hoffnung Mine, (Bescheid), Bleibuir, Mechernich, Euskirchen, Eifel, Rhineland-Palatinate/Rheinland-Pfalz, Germany
 Dimensions: 93 mm x 75 mm x 30 mm
 Description:
Pyromorphite on sandstone
 Viewed:  18005 Time(s)

IMG_7410.JPG



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PostPosted: Jul 03, 2017 11:52    Post subject: Re: Don Lum Collection  

Calcite, Marcasite


P7011122.JPG
 Mineral: Calcite, Marcasite
 Locality:
Berry Materials Corp. Quarry, North Vernon, Jennings County, Indiana, USA
 Dimensions: 60 mm x 44 mm x 43 mm
 Description:
ex Geoffrey Krasnov
 Viewed:  17858 Time(s)

P7011122.JPG



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PostPosted: Jul 03, 2017 12:45    Post subject: Re: Don Lum Collection  

Don Lum wrote:
Pyromorphite
Locality: Gute Hoffnung Mine, (Bescheid), Bleibuir, Mechernich, Euskirchen, Eifel, Rhineland-Palatinate/Rheinland-Pfalz, Germany
Nice pyro, Don, I guess it is a pale photo and the green is more intense in person ;-) Those pyromorphites from Gute Hoffnung have become bulk during the last years, at least here in Germany you can get large specimens for a very small price. I guess it's because a lot of them were found and the pyromorphite, though it has a great deep-green colour, does not occur in large well-defined crystals. But though these specimens are the bargain among several expensive German pyromorphites, I think they are really nice. I had several visitors (non-mineral people) who looked at my collection and said that this vivid-green pyro was one of their favourite specimens, some of them even asked if the colour is real ;-)

This is my specimen (4,5 cm) from that locality, I love it for its colour and it looks good even between some noble relatives from Bad Ems or Saxony: https://www.mineral-forum.com/message-board/download.php?id=35024
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PostPosted: Jul 04, 2017 15:58    Post subject: Re: Don Lum Collection  

4th of July Collection


IMG_7443.JPG
 Mineral: Rhodochrosite
 Locality:
Sweet Home Mine, Mount Bross, Alma District, Park County, Colorado, USA
 Dimensions: 90 mm x 85 mm
 Description:
mined by Bryan Lees
 Viewed:  17864 Time(s)

IMG_7443.JPG



IMG_7456.JPG
 Mineral: Barite, Fluorite, Dolomite, Quartz
 Locality:
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee, USA
 Dimensions: 93 mm x 80 mm x 55 mm
 Description:
 Viewed:  17728 Time(s)

IMG_7456.JPG



P7041175.JPG
 Mineral: Benitoite
 Locality:
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California, USA
 Dimensions: 35 mm x 25 mm x 21 mm
 Description:
 Viewed:  17709 Time(s)

P7041175.JPG



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PostPosted: Jul 08, 2017 15:38    Post subject: Re: Don Lum Collection  

Magnetite


P7081185.JPG
 Mineral: Magnetite
 Locality:
Laila base camp area, Ghanche District, Gilgit-Baltistan (Northern Areas), Pakistan
 Dimensions: 45 mm x 25 mm x 17 mm
 Description:
Completely striated finely tiered offset Magnetite crystals with a gray-black metallic luster. ex Dr. Ed David ex Herb Obodda Illustrated Sisk Gemology Reference, Volume 2, page 81
 Viewed:  17559 Time(s)

P7081185.JPG



P7081192.JPG
 Mineral: Magnetite
 Locality:
Laila base camp area, Ghanche District, Gilgit-Baltistan (Northern Areas), Pakistan
 Dimensions: 45 mm x 25 mm x 17 mm
 Description:
Completely striated finely tiered offset Magnetite crystals with a gray-black metallic luster. ex Dr. Ed David ex Herb Obodda Illustrated Sisk Gemology Reference, Volume 2, page 81
 Viewed:  17569 Time(s)

P7081192.JPG



P7081195.JPG
 Mineral: Magnetite
 Locality:
Laila base camp area, Ghanche District, Gilgit-Baltistan (Northern Areas), Pakistan
 Dimensions: 45 mm x 25 mm x 17 mm
 Description:
Completely striated finely tiered offset Magnetite crystals with a gray-black metallic luster. ex Dr. Ed David ex Herb Obodda Illustrated Sisk Gemology Reference, Volume 2, page 81
 Viewed:  17565 Time(s)

P7081195.JPG



P7081200.JPG
 Mineral: Magnetite
 Locality:
Laila base camp area, Ghanche District, Gilgit-Baltistan (Northern Areas), Pakistan
 Dimensions: 45 mm x 25 mm x 17 mm
 Description:
Completely striated finely tiered offset Magnetite crystals with a gray-black metallic luster. ex Dr. Ed David ex Herb Obodda Illustrated Sisk Gemology Reference, Volume 2, page 81
 Viewed:  17591 Time(s)

P7081200.JPG



P7081204.JPG
 Mineral: Magnetite
 Locality:
Laila base camp area, Ghanche District, Gilgit-Baltistan (Northern Areas), Pakistan
 Dimensions: 45 mm x 25 mm x 17 mm
 Description:
Completely striated finely tiered offset Magnetite crystals with a gray-black metallic luster. ex Dr. Ed David ex Herb Obodda Illustrated Sisk Gemology Reference, Volume 2, page 81
 Viewed:  17571 Time(s)

P7081204.JPG



P7081208.JPG
 Mineral: Magnetite
 Locality:
Laila base camp area, Ghanche District, Gilgit-Baltistan (Northern Areas), Pakistan
 Dimensions: 45 mm x 25 mm x 17 mm
 Description:
Completely striated finely tiered offset Magnetite crystals with a gray-black metallic luster. ex Dr. Ed David ex Herb Obodda Illustrated Sisk Gemology Reference, Volume 2, page 81
 Viewed:  17644 Time(s)

P7081208.JPG



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PostPosted: Jul 08, 2017 16:11    Post subject: Re: Don Lum Collection  

Very very nice magnetite. I had never seen one with such a quality from Laila. I'd like a lot to own one as yours.

Laila is a not very known locality in Baltistan, in the Haramosh mountains area, north of Chamachhu and the famous Stak Nala. The most typical specimens are a rare kind of schorl with a very steep pyramidal tip, the pencil habit as John White named it. The exact location of Laila can be seen at https://carlesmillan.cat/maps/Pakistan.png at a blue pin not far from the geometrical center.

Congratulations!
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