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Ivan Blanco (PDM)
Joined: 14 Apr 2012
Posts: 33
Location: Antwerp, Belgium
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 Posted: Feb 05, 2014 15:41 Post subject: Re: Mineralogische Kring Antwerpen (MKA) celebrates its 50th anniversary |
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Today we conclude this "fast tour" through Belgium with the showcase 9. Then we will continue with the former Belgian colonies: D.R.Congo, Rwanda and Burundi.
The display case N ° 9 is basically dedicated to the porphyry quarry of Quenast, one of the largest quarries in Europe. Quenast has been and continues to be –together with other nearby quarries such as Bierghes- the primary source of porphyry rocks for construction in Belgium and the north of France.
The porphyry rocks in this area of the Silurian period (about 435 million years ago), formed during the Caledonian orogeny, in a subvolcanic environment associated with a subduction zone (Gondwana subducted under Avalonia).
| Description: |
Epidote, Calcite
Porphyry Quarry, Quenast, Rebecq, Walloon Brabant Province, Belgium
9 x 9 cm aprox. |
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| Viewed: |
38731 Time(s) |
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| Description: |
Epidote, « kaolinite »
Porphyry Quarry, Quenast, Rebecq, Walloon Brabant Province, Belgium
15 x 10 cm aprox. |
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38720 Time(s) |
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| Description: |
Epidote, Calcite
Porphyry Quarry, Quenast, Rebecq, Walloon Brabant Province, Belgium
5 x 4 cm aprox. |
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| Viewed: |
38741 Time(s) |
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| Description: |
Epidote
Porphyry Quarry, Quenast, Rebecq, Walloon Brabant Province, Belgium
17 x 10 cm aprox.
This is one of the best known epidote specimens from Quenast, with crystals bigger than 3cm. |
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38678 Time(s) |
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| Description: |
Epidote
Porphyry Quarry, Quenast, Rebecq, Walloon Brabant Province, Belgium
17 x 10 cm aprox.
The same specimen of the previus picture, viewed from the other side of the case. |
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38690 Time(s) |
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| Description: |
Calcite
Porphyry Quarry, Quenast, Rebecq, Walloon Brabant Province, Belgium
12 x 7 cm aprox. |
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38702 Time(s) |
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| Description: |
Orthoclase, Calcite
Porphyry Quarry, Quenast, Rebecq, Walloon Brabant Province, Belgium
7 x 6 cm aprox. |
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38729 Time(s) |
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| Description: |
Oolitic Hematite
Porphyry Quarry, Quenast, Rebecq, Walloon Brabant Province, Belgium
7 x 6 cm aprox. |
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| Viewed: |
38704 Time(s) |
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| Description: |
Pyrite
Porphyry Quarry, Quenast, Rebecq, Walloon Brabant Province, Belgium
6 x 5 cm aprox. |
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| Viewed: |
38704 Time(s) |
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| Description: |
Gypsum
Porphyry Quarry, Quenast, Rebecq, Walloon Brabant Province, Belgium
10 x 10 cm aprox.
Dynamite cartridge with neoformed acicular crystals of gypsum. |
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| Viewed: |
38681 Time(s) |
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| Description: |
Quartz, Epidote, Tourmaline
Porphyry Quarry, Quenast, Rebecq, Walloon Brabant Province, Belgium
7 x 5 cm aprox. |
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| Viewed: |
38737 Time(s) |
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| Description: |
Quartz
Porphyry Quarry, Bierghes, Rebecq, Walloon Brabant Province, Belgium
65 x 50 cm aprox.
The sample is from the recent finds 2010-2012. |
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| Viewed: |
38719 Time(s) |
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_________________
Iván
I collect pseudomorphs |
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Ivan Blanco (PDM)
Joined: 14 Apr 2012
Posts: 33
Location: Antwerp, Belgium
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| Posted: Feb 11, 2014 17:13 Post subject: Re: Mineralogische Kring Antwerpen (MKA) celebrates its 50th anniversary |
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Let’s go today with the showcase N°10, the first one dedicated to the Democratic Republic of Congo (Ex. Belgian Congo; Ex. Zaire).
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38523 Time(s) |
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| Description: |
Mineral export document, which reads:
"Union Minière du Haut Katanga (UMHK), Congolese LLCs, located in Elizabethville, represented by Mr. Gerard Assoignon and Giullieme Derriks, deputy directors, hereby authorize the possession, exportation from the Belgian Congo and import to Belgium of the following minerals from their mines, by Mr. Van EE (should read Van Hee), Customs Inspector at Leopoldville:
- 1 specimen of Siegenite from Shinkolobwe
- 1 specimen of Dioptase from Tantara
- 1 specimen of Asbolane from Kabolela
- 1 specimen of native Copper from Kambove
- 1 specimen of crystallized Baryte on Malachite from Shangulowe
Elizabethville, April 30, 1956 |
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38487 Time(s) |
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| Description: |
Copper
Kambove, Katanga, D.R.Congo
9 x 4 cm aprox.
(Specimen mentioned in the previous letter) |
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38487 Time(s) |
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| Description: |
Baryte, Malachite
Shangulowe Mine, Kambove, Katanga, D.R.Congo
8 x 4 cm aprox.
(Specimen mentioned in the previous letter) |
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38536 Time(s) |
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| Description: |
Dioptase
Tantara Mine, Shinkolobwe, Katanga, D.R.Congo
9 x 8 cm aprox.
(Specimen mentioned in the previous letter)
My apologies for the horrible bluish color of this “green beauty”. |
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38540 Time(s) |
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| Description: |
Diamond
Kasai, D.R.Congo
0.9 x 0.9 cm aprox. |
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38509 Time(s) |
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| Description: |
Gold
Kivu, D.R.Congo
Box is 3 x 3 cm |
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38502 Time(s) |
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38549 Time(s) |
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| Description: |
“Tantalite“
Elota, Kivu, D.R.Congo
9 x 9 cm aprox. |
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38571 Time(s) |
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| Description: |
“Columbite“
Mapembe, D.R.Congo
6 x 4 cm aprox. |
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| Viewed: |
38549 Time(s) |
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| Description: |
“Wolframite“, Quartz
Eteatu, Maniema, D.R.Congo
10 x 7 cm aprox. |
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| Viewed: |
38560 Time(s) |
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_________________
Iván
I collect pseudomorphs |
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Ivan Blanco (PDM)
Joined: 14 Apr 2012
Posts: 33
Location: Antwerp, Belgium
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| Posted: Feb 11, 2014 17:20 Post subject: Re: Mineralogische Kring Antwerpen (MKA) celebrates its 50th anniversary |
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Now the rest of the showcase N° 10...
| Description: |
Gold dust
The glass tube is about 9 cm long, containing 0.2 g.
This gold dust was in the collection of Jean Soudan (BE), which was sent with the army to the Belgian Congo in 1960 to maintain order after the declaration of independence. The curiosity is that this gold powder was exchanged to the local people by cigarettes. |
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38503 Time(s) |
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| Description: |
Hydropyrochlor
Lueshe Mine, Kivu, D.R.Congo (Type Locality)
Bigger crystal: 0.6 x 0.6 cm. |
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| Viewed: |
38531 Time(s) |
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| Description: |
Lueshite
Lueshe Mine, Kivu, D.R.Congo (Type Locality)
1 x 1 cm. |
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38556 Time(s) |
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| Description: |
Corundum (Sapphire)
Bolobole Mine, Kivu, D.R.Congo
Boxes are 3 x 3 cm |
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38603 Time(s) |
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| Description: |
Bismut
Maya-Moto, Kivu, D.R.Congo
5 x 5 cm aprox. |
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| Viewed: |
38558 Time(s) |
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| Description: |
Diamond
Kasai, D.R. Congo
Box is 3 x 3 cm |
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38542 Time(s) |
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| Description: |
Mottramite
Toni, Mbanza-Mguru, Lower Congo, D.R.Congo
6 x 5 cm aprox. |
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38518 Time(s) |
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| Description: |
Anglesite
Mbanza-Mguru, Lower Congo, D.R.Congo
9 x 8 cm aprox. |
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38515 Time(s) |
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| Description: |
Malachite
Kolwezi, Katanga, D.R.Congo
30 x 30 cm aprox. |
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38551 Time(s) |
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| Description: |
| "Participation" (share) in the gold mines of Kilo-Moto, dated in 1944. |
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38542 Time(s) |
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| Description: |
The Stone of Yellala
"Written" in 1485 by Diego Cao, a Portuguese explorer. It is the first trace of the arrival of Europeans in these territories. The boy in shorts is Paul Van Hee, current president of our Mineral Club (MKA), photographed at the Stone of Yellala
in 1956. |
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| Viewed: |
38728 Time(s) |
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_________________
Iván
I collect pseudomorphs |
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