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Tobi
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Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: Apr 11, 2012 04:18 Post subject: Re: Collection of Tobias Martin |
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Another German galena classic:
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Galena, quartz, marcasite, siderite Hilfe Gottes Mine, Wiemannsbucht, Bad Grund, Clausthal-Zellerfeld, Harz, Lower Saxony, Germany Specimen size 45 mm, largest galena crystals 8-9 mm |
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36062 Time(s) |
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Tobi
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Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: Apr 11, 2012 04:21 Post subject: Re: Collection of Tobias Martin |
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A wonderful new addition to my quartz collection:
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Quartz Crystal Grove Diamond Mine, St Johnsville, Montgomery Co., New York, USA Specimen size 50 mm, quartz crystals 13 & 17 mm |
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35983 Time(s) |
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Tobi
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Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: Apr 11, 2012 09:38 Post subject: Re: Collection of Tobias Martin |
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Old specimen, new photo (and simply one of the best mineral pictures i ever made):
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Spessartine Wushan Spessartine Mine, Fujian Province, China Specimen size 35 mm |
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35962 Time(s) |
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Carles Millan
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Joined: 05 May 2007
Posts: 1474
Location: Catalonia
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Posted: Apr 11, 2012 13:06 Post subject: Re: Collection of Tobias Martin |
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Tobias Martin wrote: | Old specimen, new photo (and simply one of the best mineral pictures i ever made): |
Indeed a very good photo and a nice garnet specimen!
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Tobi
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Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: Apr 12, 2012 09:32 Post subject: Re: Collection of Tobias Martin |
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Thank you, Carles. Now that i finally got some skills in photographing minerals, here's another good shot of an old specimen:
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Quartz Jinkouhe, Sichuan Province, China Specimen height 90 mm |
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36031 Time(s) |
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Tobi
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Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: Apr 12, 2012 09:57 Post subject: Re: Collection of Tobias Martin |
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And one more successful attempt to honour old specimens with a photo they deserve:
(If it gets boring or takes too much space to post specimens repeated, please tell me ...)
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Vanadinite Taouz, Er Rachidia, Meknčs-Tafilalet Region, Morocco Specimen size 55 mm |
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35997 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: Apr 13, 2012 04:55 Post subject: Re: Collection of Tobias Martin |
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Old specimen, better photo - Erongo fluorite:
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Fluorite Erongo Mountains, Erongo Region, Namibia Specimen height 40 mm
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35923 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: Apr 13, 2012 10:18 Post subject: Re: Collection of Tobias Martin |
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Old specimen, better photo - Chinese fluorite:
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Fluorite Xianghuapu Mine, Hunan Province, China Specimen height 115 mm |
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35920 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: Apr 13, 2012 10:25 Post subject: Re: Collection of Tobias Martin |
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Old specimen, better photo - Okorusu fluorite:
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Fluorite Okorusu Mine, Otjozondjupa Region, Namibia Specimen size 110 mm |
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35914 Time(s) |
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Tobi
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Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: Apr 14, 2012 07:35 Post subject: Re: Collection of Tobias Martin |
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Old specimen, better photo - Elmwood fluorite:
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Fluorite on sphalerite Elmwood mine, Carthage, Tennessee, USA Specimen size 100 mm. |
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35877 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: Apr 14, 2012 07:41 Post subject: Re: Collection of Tobias Martin |
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Old specimen, better photo - Sweetwater calcite:
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Calcite Sweetwater Mine, Viburnum Trend District, Missouri, USA Specimen height 95 mm |
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35833 Time(s) |
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Tobi
Site Admin
Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: May 06, 2012 03:02 Post subject: Re: Collection of Tobias Martin |
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New specimen that i gathered on my hunt for German mineral classics - a small yellow Erzgebirge fluorite. The red material next to the fluorite is a hematite coating on some tiny quartz crystals.
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Fluorite, quartz, hematite Dörfel Quarry, Annaberg District, Erzgebirge, Saxony, Germany 65 x 30 x 15 mm, largest fluorite cubes 8-9 mm |
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35436 Time(s) |
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Fluorite, quartz, hematite Dörfel Quarry, Annaberg District, Erzgebirge, Saxony, Germany 65 x 30 x 15 mm, largest fluorite cubes 8-9 mm |
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35446 Time(s) |
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GneissWare
Joined: 07 Mar 2008
Posts: 1287
Location: California
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Posted: May 06, 2012 09:23 Post subject: Re: Collection of Tobias Martin |
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Tobias Martin wrote: | New specimen that i gathered on my hunt for German mineral classics - a small yellow Erzgebirge fluorite. The red material next to the fluorite is a hematite coating on some tiny quartz crystals. |
Very nice specimen, Tobias. I presume this is from an old find?
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Tobi
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Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: May 06, 2012 09:49 Post subject: Re: Collection of Tobias Martin |
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I don't know when this specimen was found, but i suppose it is not a recent find. These fluorites come from a quarry near Annaberg, Erzgebirge. Here you can see some pictures from the quarry, taken between 2006 and 2009:
https://www.mineralienatlas.de/lexikon/index.php/MediaDataShow?galerie=lokation&backlink=1&lokationid=3129
It is still possible to enter the quarry and to search for minerals, but with only a very small chance to find something. They say that this quarry was scanned by so many collectors that it is nearly impossible to find some of these yellow fluorites without using heavy equipment ...
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Tobi
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Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: May 15, 2012 10:28 Post subject: Re: Collection of Tobias Martin |
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Another German classic, maybe one of the most desired German fluorites - a Honigspat from Wölsendorf:
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Fluorite Marienschacht, Wölsendorf, Oberpfalz, Bavaria, Germany 40 x 30 x 25 mm |
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35251 Time(s) |
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Tobi
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Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: May 18, 2012 06:26 Post subject: Re: Collection of Tobias Martin |
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Hemimorphite from China. Came with a wrong locality info (Quinglong Mine, Guizhou Province, China), but knowing a lot of Chinese minerals, i knew before that this specimen comes from THE classic Chinese hemimorphite locality of Wenshan:
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Hemimorphite Wenshan Mine, Yunnan Province, China 110 x 60 x 35 mm |
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35123 Time(s) |
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Tobi
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Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: May 18, 2012 08:36 Post subject: Re: Collection of Tobias Martin |
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Good Old Germany always surprises me with its wonderful minerals. Once again, a specimen from a classic Saxon locality. This new specimen is an interesting combination of three (or actually even four) different minerals: It is a quartz crystal, red coloured by hematite (?), surrounded by pale siderite and with some small purple fluorite crystals as special feature. From Ehrenfriedersdorf in Saxony, a city with a long mining history that goes back to the 13th (!!!) century when the digging for tin began ...
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Quartz, siderite, fluorite Ehrenfriedersdorf, Erzgebirge, Saxony, Germany Specimen height 45 mm |
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Quartz, siderite, fluorite Ehrenfriedersdorf, Erzgebirge, Saxony, Germany Specimen height 45 mm |
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Quartz, siderite, fluorite Ehrenfriedersdorf, Erzgebirge, Saxony, Germany Specimen height 45 mm A picture that shows the backside of the specimen which is completely covered by siderite |
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35072 Time(s) |
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Quartz, siderite, fluorite Ehrenfriedersdorf, Erzgebirge, Saxony, Germany FOV 20 mm A closeup that shows the paragenesis of the three minerals, the "largest" fluorite cube measures ~ 2 mm |
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chris
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Joined: 12 Jul 2007
Posts: 538
Location: Grenoble
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Posted: May 18, 2012 09:16 Post subject: Re: Collection of Tobias Martin |
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Hello Tobi,
Great piece indeed. Am I wrong or you might add the specimen has a phantom and micro pyrite (?) on the siderite the way some Panasqueira specimens have ?
Christophe
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Tobi
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Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: May 19, 2012 06:40 Post subject: Re: Collection of Tobias Martin |
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Hi Chris! I did not add the black material on the siderite because i really don't know what it is.
Another quartz crystal, this one is from China and combined with orange garnet crystals:
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Smoky quartz, spessartine Wushan Spessartine Mine, Tongbei, Fujian Province, China Specimen height 60 mm |
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34949 Time(s) |
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Tobi
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Joined: 07 Apr 2009
Posts: 4112
Location: Germany
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Posted: May 20, 2012 10:36 Post subject: Re: Collection of Tobias Martin |
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Fluorite from Mexico
(Photo © previous owner Margret Hermanns)
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Fluorite Navidad Mine, Rodeo, Durango, Mexico 85 x 80 x 30 mm |
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34859 Time(s) |
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