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The collection of Pierre and Riana Joubert
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Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: Apr 25, 2018 04:58 Post subject: Re: The collection of Pierre and Riana Joubert

From a rare find.

P1280925.JPG

Mineral:

Quartz with inclusions.

Locality:

Erongo Mountain, Usakos, Erongo Region, Namibia

Dimensions:

90 x 25 x 16 mm

Description:

I do not know what the inclusions are.

Viewed:

19475 Time(s)

P1280928.JPG

Mineral:

Quartz with inclusions.

Locality:

Erongo Mountain, Usakos, Erongo Region, Namibia

Dimensions:

90 x 25 x 16 mm

Description:

Same specimen as above.

Viewed:

19459 Time(s)

P1280932.JPG

Mineral:

Quartz with inclusions.

Locality:

Erongo Mountain, Usakos, Erongo Region, Namibia

Dimensions:

90 x 25 x 16 mm

Description:

Same specimen as above.

Viewed:

19507 Time(s)

_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: May 01, 2018 06:09 Post subject: Re: The collection of Pierre and Riana Joubert

A specimen from Brandberg area.

P1380557.JPG

Mineral:

Quartz and Calcite

Locality:

Brandberg area, Erongo Region, Namibia

Dimensions:

87 x 64 x 54 mm

Description:

Viewed:

19409 Time(s)

P1380556.JPG

Mineral:

Quartz and Calcite

Locality:

Brandberg area, Erongo Region, Namibia

Dimensions:

87 x 64 x 54 mm

Description:

Same as above.

Viewed:

19367 Time(s)

P1380558.JPG

Mineral:

Quartz and Calcite

Locality:

Brandberg area, Erongo Region, Namibia

Dimensions:

87 x 64 x 54 mm

Description:

Same as above.

Viewed:

19404 Time(s)

_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: May 09, 2018 12:09 Post subject: Re: The collection of Pierre and Riana Joubert

A two-sided calcite specimen from Tsumeb.

P1390820.JPG

Mineral:

Calcite

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

63 x 57 x 27 mm

Description:

Viewed:

19247 Time(s)

P1390814.JPG

Mineral:

Calcite

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

63 x 57 x 27 mm

Description:

Same specimen

Viewed:

19246 Time(s)

P1390824.JPG

Mineral:

Calcite

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

63 x 57 x 27 mm

Description:

The other side of the specimen.

Viewed:

19272 Time(s)

_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: May 10, 2018 14:59 Post subject: Re: The collection of Pierre and Riana Joubert

A few more from Tsumeb.

P1380506.JPG

Mineral:

Cerussite

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

46 x 26 x 10 mm

Description:

Viewed:

19145 Time(s)

P1380514.JPG

Mineral:

Calcite

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

36 x 35 x 20 mm

Description:

Viewed:

19186 Time(s)

P1380520.JPG

Mineral:

Cerussite

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

36 x 35 x 20 mm

Description:

Same as above.

Viewed:

19172 Time(s)

_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: Jun 12, 2018 03:22 Post subject: Re: The collection of Pierre and Riana Joubert

A specimen from Erongo.

P1400314.JPG

Mineral:

Fluorite with Schorl

Locality:

Erongo Region, Namibia

Dimensions:

68 x 32 x 28 mm

Description:

Viewed:

19048 Time(s)

P1400318.JPG

Mineral:

Fluorite with Schorl

Locality:

Erongo Region, Namibia

Dimensions:

68 x 32 x 28 mm

Description:

Same as above.

Viewed:

19004 Time(s)

P1400324.JPG

Mineral:

Fluorite with Schorl

Locality:

Erongo Region, Namibia

Dimensions:

68 x 32 x 28 mm

Description:

Same as above.

Viewed:

19044 Time(s)

_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: Nov 24, 2018 04:32 Post subject: Re: The collection of Pierre and Riana Joubert

Two specimens from Brandberg area and close to home.

P1490511.JPG

Mineral:

Quartz and Prehnite

Locality:

Goboboseb Mountains, Brandberg area, Erongo Region, Namibia

Dimensions:

35 x 32 x 27 mm

Description:

Viewed:

18266 Time(s)

_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: Nov 24, 2018 04:39 Post subject: Re: The collection of Pierre and Riana Joubert

I published too quickly:-( Here is the rest.

P1490497.JPG

Mineral:

Quartz and Prehnite

Locality:

Goboboseb Mountains, Brandberg area, Erongo Region, Namibia

Dimensions:

35 x 32 x 27 mm

Description:

Viewed:

18254 Time(s)

P1490512.JPG

Mineral:

Quartz and Prehnite

Locality:

Goboboseb Mountains, Brandberg area, Erongo Region, Namibia

Dimensions:

35 x 32 x 27 mm

Description:

Viewed:

18246 Time(s)

P1490481.JPG

Mineral:

Quartz

Locality:

Ceres, Warmbokkeveld Valley, Ceres, Valle Warmbokkeveld, Witzenberg, Cape Winelands, Western Cape Province, South Africa

Dimensions:

34 x 26 x 24 mm

Description:

Bent quartz from a very recent find close to home.

Viewed:

18253 Time(s)

P1490487.JPG

Mineral:

Quartz

Locality:

Ceres, Warmbokkeveld Valley, Ceres, Valle Warmbokkeveld, Witzenberg, Cape Winelands, Western Cape Province, South Africa

Dimensions:

34 x 26 x 24 mm

Description:

Same as above

Viewed:

18245 Time(s)

P1490492.JPG

Mineral:

Quartz

Locality:

Ceres, Warmbokkeveld Valley, Ceres, Valle Warmbokkeveld, Witzenberg, Cape Winelands, Western Cape Province, South Africa

Dimensions:

34 x 26 x 24 mm

Description:

Same as above.

Viewed:

18224 Time(s)

_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: Nov 25, 2018 08:18 Post subject: Re: The collection of Pierre and Riana Joubert

To me, a very special and unique quartz specimen, self collected a few years ago from a quarry in the Tankwa karoo, Western Cape.

P1400252.JPG

Mineral:

Quartz

Locality:

Tankwa Karoo Quarry, Ceres, Witzenberg, Cape Winelands, Western Cape Province, South Africa

Dimensions:

75 x 45 x 27 mm

Description:

'Domed' quartz with hematite? inclusions on shale.This is a rarity from this area.

Viewed:

18181 Time(s)

P1400253.JPG

Mineral:

Quartz

Locality:

Tankwa Karoo Quarry, Ceres, Witzenberg, Cape Winelands, Western Cape Province, South Africa

Dimensions:

75 x 45 x 27 mm

Description:

Same as above.

Viewed:

18166 Time(s)

P1400254.JPG

Mineral:

Quartz

Locality:

Tankwa Karoo Quarry, Ceres, Witzenberg, Cape Winelands, Western Cape Province, South Africa

Dimensions:

75 x 45 x 27 mm

Description:

Same as above

Viewed:

18162 Time(s)

P1400256.JPG

Mineral:

Quartz

Locality:

Tankwa Karoo Quarry, Ceres, Witzenberg, Cape Winelands, Western Cape Province, South Africa

Dimensions:

75 x 45 x 27 mm

Description:

Same as above.

Viewed:

18182 Time(s)

_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: Nov 30, 2018 04:42 Post subject: Re: The collection of Pierre and Riana Joubert

Tsumeb

P1380546.JPG

Mineral:

Dioptase and calcite

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

91 x 63 x 36 mm

Description:

Viewed:

18082 Time(s)

P1380548.JPG

Mineral:

Dioptase and calcite

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

91 x 63 x 36 mm

Description:

Same specimen

Viewed:

18141 Time(s)

P1380551.JPG

Mineral:

Dioptase and calcite

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

91 x 63 x 36 mm

Description:

Same specimen

Viewed:

18074 Time(s)

_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: Dec 03, 2018 05:52 Post subject: Re: The collection of Pierre and Riana Joubert

Tsumeb

P1420826.JPG

Mineral:

Dolomite and Calcite (variety cobaltoan)

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

51 x 31 x 17 mm

Description:

I am not quite sure whether the pink mineral is dolomite or also calcite, There are some cream coloured calcite crystals on the pink.

Viewed:

18005 Time(s)

P1420827.JPG

Mineral:

Dolomite and Calcite (variety cobaltoan)

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

51 x 31 x 17 mm

Description:

Same as above.

Viewed:

17989 Time(s)

_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: Dec 04, 2018 10:58 Post subject: Re: The collection of Pierre and Riana Joubert

Erongo 'Star of David'. This quartz specimen was just another ordinary specimen, that is until Riana noticed a small star embedded in the surface of the quartz specimen.

P1500270.JPG

Mineral:

Quartz

Locality:

Erongo Mountain, Usakos, Erongo Region, Namibia

Dimensions:

38 x 25 x 21 mm

Description:

Viewed:

17859 Time(s)

P1500250.JPG

Mineral:

Quartz

Locality:

Erongo Mountain, Usakos, Erongo Region, Namibia

Dimensions:

F.O.V. approximately 3 mm

Description:

Viewed:

17877 Time(s)

P1500276.JPG

Mineral:

Quartz

Locality:

Erongo Mountain, Usakos, Erongo Region, Namibia

Dimensions:

36 x 25 x 21 mm

Description:

Viewed:

17856 Time(s)

P1500266.JPG

Mineral:

Quartz

Locality:

Erongo Mountain, Usakos, Erongo Region, Namibia

Dimensions:

F.O.V. approximately 3 mm

Description:

The smaller quartz crystal also has a similar 'feature' just poorly formed.

Viewed:

17880 Time(s)

_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: Dec 10, 2018 13:04 Post subject: Re: The collection of Pierre and Riana Joubert

Tsumeb

P1420839.JPG

Mineral:

Calcite, Mottramite, Dioptase

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

30 x 22 x 10 mm

Description:

Viewed:

17759 Time(s)

P1420846.JPG

Mineral:

Calcite, Mottramite, Dioptase

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

30 x 22 x 10 mm

Description:

Same as above

Viewed:

17761 Time(s)

P1420838.JPG

Mineral:

Calcite, Mottramite, Dioptase

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

30 x 22 x 10 mm

Description:

Same as above.

Viewed:

17772 Time(s)

_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Kevin Conroy

Joined: 03 Dec 2018
Posts: 78
Location: Saint Louis, Missouri

Posted: Dec 10, 2018 13:19 Post subject: Re: The collection of Pierre and Riana Joubert

Hi, the pink dolomite from Tsumeb is the cobaltoan variety. Please see https://www.mindat.org/gallery.php?loc=2428&min=1105

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: Dec 10, 2018 13:28 Post subject: Re: The collection of Pierre and Riana Joubert

Kevin Conroy wrote:

Hi, the pink dolomite from Tsumeb is the cobaltoan variety. Please see https://www.mindat.org/gallery.php?loc=2428&min=1105

Thank you Kevin:-)
_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Jordi Fabre
Overall coordinator of the Forum

Joined: 07 Aug 2006
Posts: 4900
Location: Barcelona

Posted: Dec 10, 2018 13:36 Post subject: Re: The collection of Pierre and Riana Joubert

Pierre Joubert wrote:

Kevin Conroy wrote:

Hi, the pink dolomite from Tsumeb is the cobaltoan variety. Please see https://www.mindat.org/gallery.php?loc=2428&min=1105

Thank you Kevin:-)

Fixed

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: Dec 10, 2018 14:38 Post subject: Re: The collection of Pierre and Riana Joubert

Thank you Chief:-) _________________ Pierre Joubert 'The tree of silence bears the fruit of peace. '

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: Dec 12, 2018 02:11 Post subject: Re: The collection of Pierre and Riana Joubert

Tsumeb

P1420866.JPG

Mineral:

Azurite, Calcite, Malachite

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

28 x 18 x 12mm

Description:

Viewed:

17594 Time(s)

P1420875.JPG

Mineral:

Azurite, Calcite, Malachite

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

28 x 18 x 12mm

Description:

Same as above

Viewed:

17595 Time(s)

P1420867.JPG

Mineral:

Azurite, Calcite, Malachite

Locality:

Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Dimensions:

28 x 18 x 12mm

Description:

Same as above

Viewed:

17590 Time(s)

_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Heimo Hellwig

Joined: 03 Aug 2014
Posts: 722
Location: Swakopmund

Posted: Dec 12, 2018 02:35 Post subject: Re: The collection of Pierre and Riana Joubert

That is a beautiful Azurite specimen Pierre.

Pierre Joubert

Joined: 09 Mar 2012
Posts: 1605
Location: Western Cape

Posted: Dec 12, 2018 02:50 Post subject: Re: The collection of Pierre and Riana Joubert

Heimo Hellwig wrote:

That is a beautiful Azurite specimen Pierre.

Thank you Heimo. I love these type of azurite specimens too much:-)
_________________
Pierre Joubert

'The tree of silence bears the fruit of peace. '

Philippe Durand

Joined: 10 May 2016
Posts: 628
Location: Normandie

Posted: Dec 12, 2018 12:45 Post subject: Re: The collection of Pierre and Riana Joubert

I have never seen an azurite like that all of theese spikes are awsome I love it

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