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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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 Posted: Dec 01, 2022 12:21 Post subject: Re: Collection of Joseph D'Oliveira |
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Joseph, I liked these last specimens you posted, especially the silver specimen.
Congratulations.
Regards,
Don
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Joseph DOliveira
Joined: 29 Jan 2012
Posts: 295
Location: Hanmer, Ontario
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| Posted: Dec 01, 2022 13:09 Post subject: Re: Collection of Joseph D'Oliveira |
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Thanks Don,
Although I have quite a few, I don't usually post my silver specimens as they are primarily Canadian and can be a bit boring. My collection is quite small so there isn't much opportunity for new additions. The Gold specimen is particularly special to me as it is from my home country.
| Don Lum wrote: | Joseph, I liked these last specimens you posted, especially the silver specimen.
Congratulations.
Regards,
Don |
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Joseph D'Oliveira
Hanmer, Ontario
Canada |
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Joseph DOliveira
Joined: 29 Jan 2012
Posts: 295
Location: Hanmer, Ontario
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| Posted: Apr 12, 2023 20:32 Post subject: Re: Collection of Joseph D'Oliveira |
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Here are a couple of new additions to the collection.
| Mineral: | Ludlamite |
| Locality: | | Cabeça do Cachorro claim, São Gabriel da Cachoeira, Cabeça do Cachorro area, Amazonas, Brazil |  |
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| Dimensions: | 16x10.5x3 cm's |
| Description: |
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| Viewed: |
7613 Time(s) |
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| Mineral: | Ludlamite |
| Locality: | | Cabeça do Cachorro claim, São Gabriel da Cachoeira, Cabeça do Cachorro area, Amazonas, Brazil | |
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| Description: |
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| Viewed: |
7623 Time(s) |
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| Mineral: | Vivianite |
| Locality: | | Cabeça do Cachorro claim, São Gabriel da Cachoeira, Cabeça do Cachorro area, Amazonas, Brazil | |
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| Dimensions: | 21x23x4 cm's |
| Description: |
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| Viewed: |
7625 Time(s) |
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Joseph D'Oliveira
Hanmer, Ontario
Canada |
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Don Lum
Joined: 03 Sep 2012
Posts: 2856
Location: Arkansas
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| Posted: Apr 12, 2023 21:22 Post subject: Re: Collection of Joseph D'Oliveira |
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Hello Joseph,
Those Ludlamite crystals are outstanding additions to your collection.
Best wishes,
Don
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Joseph DOliveira
Joined: 29 Jan 2012
Posts: 295
Location: Hanmer, Ontario
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| Posted: Apr 12, 2023 21:52 Post subject: Re: Collection of Joseph D'Oliveira |
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Thank you very much Don, I've finally returned home after a long stay in Tucson. I managed to pick up a few new pieces and will add them as time permits.
| Don Lum wrote: | Hello Joseph,
Those Ludlamite crystals are outstanding additions to your collection.
Best wishes,
Don |
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Joseph D'Oliveira
Hanmer, Ontario
Canada |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4102
Location: Germany
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| Posted: Apr 13, 2023 01:56 Post subject: Re: Collection of Joseph D'Oliveira |
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Hi Joseph,
congratulations on the new specimens! That vivianite is a stunner, a true museum piece! I must confess that vivianite was never a mineral that attracted me until I saw these pieces from Brazil. I would even consider to add one to my collection ;-)
A great piece, the ludlamite too; I can't wait to see the other new additions!
Regards
Tobi
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Joseph DOliveira
Joined: 29 Jan 2012
Posts: 295
Location: Hanmer, Ontario
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| Posted: Apr 13, 2023 05:47 Post subject: Re: Collection of Joseph D'Oliveira |
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Thank you Tobi.
| Tobi wrote: | Hi Joseph,
congratulations on the new specimens! That vivianite is a stunner, a true museum piece! I must confess that vivianite was never a mineral that attracted me until I saw these pieces from Brazil. I would even consider to add one to my collection ;-)
A great piece, the ludlamite too; I can't wait to see the other new additions!
Regards
Tobi |
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Joseph D'Oliveira
Hanmer, Ontario
Canada |
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Joseph DOliveira
Joined: 29 Jan 2012
Posts: 295
Location: Hanmer, Ontario
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| Posted: Apr 13, 2023 07:42 Post subject: Re: Collection of Joseph D'Oliveira |
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A few more additions from the Tucson show.
| Mineral: | Copper |
| Dimensions: | 10x5x6 cm's |
| Description: |
| Large copper nugget ("halfbreed") with a few patches of silver. |
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| Viewed: |
7541 Time(s) |
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| Mineral: | Copper |
| Description: |
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| Viewed: |
7532 Time(s) |
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| Mineral: | Adamite |
| Locality: | | Ojuela Mine, Mapimí, Municipio Mapimí, Durango, Mexico | |
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| Dimensions: | 8x10.5x3 cm's |
| Description: |
| Druzy adamite with associated calcite crystals, fluoresces green under SW. |
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| Viewed: |
7534 Time(s) |
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| Locality: | | Pingwu Mine, Huya township, Mount Xuebaoding, Pingwu, Mianyang Prefecture, Sichuan Province, China | |
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| Dimensions: | 12x8x4 cm's |
| Description: |
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| Viewed: |
7532 Time(s) |
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| Mineral: | Scheelite |
| Locality: | | Pingwu Mine, Huya township, Mount Xuebaoding, Pingwu, Mianyang Prefecture, Sichuan Province, China | |
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| Description: |
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| Viewed: |
7535 Time(s) |
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Joseph D'Oliveira
Hanmer, Ontario
Canada |
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Dany Mabillard
Joined: 01 Jul 2019
Posts: 317
Location: Valais
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| Posted: Apr 13, 2023 14:30 Post subject: Re: Collection of Joseph D'Oliveira |
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| Nice new acquisitions.
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Joseph DOliveira
Joined: 29 Jan 2012
Posts: 295
Location: Hanmer, Ontario
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| Posted: Apr 13, 2023 15:38 Post subject: Re: Collection of Joseph D'Oliveira |
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A few more.
| Mineral: | Wulfenite |
| Locality: | | Xinjiang Uyghur Autonomous Region, China | |
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| Dimensions: | 10x9.2x2 cm's |
| Description: |
| Etched wulfenite crystals. |
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| Viewed: |
7471 Time(s) |
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| Mineral: | Wulfenite |
| Locality: | | Xinjiang Uyghur Autonomous Region, China | |
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| Description: |
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| Viewed: |
7464 Time(s) |
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| Mineral: | Malachite |
| Locality: | | Zagora Province, Drâa-Tafilalet Region, Morocco | |
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| Dimensions: | 6.5x5.5x5 cm's |
| Description: |
| Vugs in massive cuprite containing malachite crystals. These were sold in Tucson as brochantite in cuprite. I had one analyzed today and it turned out to be malachite. |
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| Viewed: |
7463 Time(s) |
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| Mineral: | Hutchinsonite |
| Locality: | | Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru | |
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| Dimensions: | 8.2x7x2.5 cm's |
| Description: |
| A rarity and a nice addition to my "black uglies" collection. |
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| Viewed: |
7476 Time(s) |
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| Mineral: | Hutchinsonite |
| Locality: | | Quiruvilca Mine (La Libertad Mine), Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru | |
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| Description: |
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| Viewed: |
7466 Time(s) |
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Joseph D'Oliveira
Hanmer, Ontario
Canada |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4102
Location: Germany
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| Posted: Apr 14, 2023 02:19 Post subject: Re: Collection of Joseph D'Oliveira |
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| Very impressive pieces, Joseph, I love the Chinese wulfenite!
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Joseph DOliveira
Joined: 29 Jan 2012
Posts: 295
Location: Hanmer, Ontario
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| Posted: Apr 14, 2023 07:01 Post subject: Re: Collection of Joseph D'Oliveira |
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Thank you Tobi, I usually spend a month on my treasure hunt at the Tucson show as many dealers open early, it affords me the time to find some of the more unusual things.
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Joseph D'Oliveira
Hanmer, Ontario
Canada |
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James Catmur
Site Admin
Joined: 14 Sep 2006
Posts: 1343
Location: Cambridge
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| Posted: Apr 14, 2023 11:36 Post subject: Re: Collection of Joseph D'Oliveira |
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And escape the winter?
| Joseph DOliveira wrote: | | Thank you Tobi, I usually spend a month on my treasure hunt at the Tucson show as many dealers open early, it affords me the time to find some of the more unusual things. |
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Joseph DOliveira
Joined: 29 Jan 2012
Posts: 295
Location: Hanmer, Ontario
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| Posted: Apr 24, 2023 16:41 Post subject: Re: Collection of Joseph D'Oliveira |
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Lustrous, botryoidal hematite.
| Mineral: | Hematite |
| Locality: | | Irhoud Mine, Jebel Irhoud, Youssoufia Province, Marrakesh-Safi Region, Morocco | |
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| Dimensions: | 11x11.5x1.5 cm's |
| Description: |
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| Viewed: |
7039 Time(s) |
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Joseph D'Oliveira
Hanmer, Ontario
Canada |
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Joseph DOliveira
Joined: 29 Jan 2012
Posts: 295
Location: Hanmer, Ontario
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| Posted: Apr 27, 2023 13:38 Post subject: Re: Collection of Joseph D'Oliveira |
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Another from the new location in Brazil.
| Mineral: | Ludlamite |
| Locality: | | Cabeça do Cachorro claim, São Gabriel da Cachoeira, Cabeça do Cachorro area, Amazonas, Brazil | |
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| Dimensions: | 7x7.3x2.5 cm's |
| Description: |
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| Viewed: |
6961 Time(s) |
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Joseph D'Oliveira
Hanmer, Ontario
Canada |
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Joseph DOliveira
Joined: 29 Jan 2012
Posts: 295
Location: Hanmer, Ontario
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| Posted: May 03, 2023 14:59 Post subject: Re: Collection of Joseph D'Oliveira |
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A couple more additions, one that is quite common and one which is rather unusual.
| Mineral: | Sulphur |
| Locality: | | El Desierto Mine, San Pablo de Napa, Daniel Campos Province, Potosí Department, Bolivia | |
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| Dimensions: | 7.6x9.5x5 cm's |
| Description: |
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| Viewed: |
6761 Time(s) |
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| Mineral: | Quartz (variety amethyst) with Calcite |
| Locality: | | Artigas Department, Uruguay | |
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| Dimensions: | 11x6.5x4 cm's |
| Description: |
| An otherwise, rather nondescript amethyst specimen from Uruguay except for the rather interesting calcite wafer that is attached near the base. There is a partial hexagonal shaped crystal of calcite that is penetrated through it's center by a column of calcite coated by a skin of clear druzy quartz crystals. The calcite crystal shows an interrupted growth pattern on either end of the terminations and does not appear to be etched. |
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| Viewed: |
6776 Time(s) |
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| Mineral: | Quartz (variety amethyst) with Calcite |
| Locality: | | Artigas Department, Uruguay | |
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| Description: |
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| Viewed: |
6764 Time(s) |
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Joseph D'Oliveira
Hanmer, Ontario
Canada |
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James Catmur
Site Admin
Joined: 14 Sep 2006
Posts: 1343
Location: Cambridge
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| Posted: May 04, 2023 04:38 Post subject: Re: Collection of Joseph D'Oliveira |
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| More interesting Calcite form than the one I have in a geode from Brasil
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4102
Location: Germany
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| Posted: May 05, 2023 02:12 Post subject: Re: Collection of Joseph D'Oliveira |
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| That calcite form makes the specimen quite special. All of us have seen many many many combinations of calcite on amethyst from Uruguay (and Brazil) but for sure not often with such a hexagonal shaped calcite!
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Joseph DOliveira
Joined: 29 Jan 2012
Posts: 295
Location: Hanmer, Ontario
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| Posted: Aug 15, 2023 15:06 Post subject: Re: Collection of Joseph D'Oliveira |
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Cassiterite crystals in a matrix of calcite and muscovite.
| Mineral: | Cassiterite |
| Locality: | | Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Centro, Portugal | |
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| Dimensions: | 6.3x5.5x3.5 cm's |
| Description: |
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| Viewed: |
5243 Time(s) |
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Joseph D'Oliveira
Hanmer, Ontario
Canada |
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Joseph DOliveira
Joined: 29 Jan 2012
Posts: 295
Location: Hanmer, Ontario
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| Posted: Aug 21, 2023 21:45 Post subject: Re: Collection of Joseph D'Oliveira |
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Malachite pseudomorph of Azurite.
| Mineral: | Malachite |
| Locality: | | Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia | |
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| Dimensions: | 6.2 x 5 x 2.5 cm |
| Description: |
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| Viewed: |
5013 Time(s) |
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| Mineral: | Malachite |
| Locality: | | Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia | |
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| Dimensions: | 6.2 x 5 x 2.5 cm |
| Description: |
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| Viewed: |
5027 Time(s) |
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Joseph D'Oliveira
Hanmer, Ontario
Canada |
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