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19. Feb. - Tr­ef­fen der Min­er­alien- und Fos­silien­fre­unde Dort­mund
20. Feb. - GERA: Bild­vor­trag „Amethyst – ein ‚O­mas­tein‘ in ein­er Farbe,
21. Feb. - 35.Min­er­alien­börse Flöha
21. Feb. - 16. Mit­tel­säch­sisch­er Min­er­alien- und Fos­silien­tr­eff, DE
22. Feb. - Wilns­dor­fer Min­er­alien- und Berg­baubörse, DE
28. Feb. - GERA: MIN­ER­ALIEN-LIEB­HABER-TAG
01. Mar. - Min­er­alien­börse
01. Mar. - 18. In­tern. Mi­cro­moun­ter Tausch­tag in Rosen­heim/Ober­bay­ern
07. Mar. - In­ter­na­tio­nale Min­er­alien-, Fos­silien- und Sch­muck­börse Leip
08. Mar. - Rein­heim/Ge­or­gen­hausen – 30. Oden­wälder Min­er­alien­tag
08. Mar. - Arzberg­er Min­er­alien und Fos­silien­börse
14. Mar. - 27. Bit­ter­felder Min­er­alien- und Fos­silien­börse im Rathaus
15. Mar. - Min­er­alien­börse
15. Mar. - Nürn­berg­er Min­er­alien- & Fos­silien­börse DE
20. Mar. - GERA: Bild­vor­trag „Namibia – Sam­meln un­ter der Sonne Afrikas
22. Mar. - 63. Rhein-Neckar-Min­er­alien­börse in Wall­dorf
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Die 63. Rhein-Neckar-Mineralienbörse in Walldorf
Deutschland/Rheinland-Pfalz/Südliche Weinstraße, Landkreis/Waldhambach/Steinbruch Kuhn
 
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Achat (Quarz im Wechsel mit Achatlagen)
© Mineralroli
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19. Feb. - Tr­ef­fen der Min­er­alien- und Fos­silien­fre­unde Dort­mund
20. Feb. - GERA: Bild­vor­trag „Amethyst – ein ‚O­mas­tein‘ in ein­er Farbe,
21. Feb. - 35.Min­er­alien­börse Flöha
21. Feb. - 16. Mit­tel­säch­sisch­er Min­er­alien- und Fos­silien­tr­eff, DE
22. Feb. - Wilns­dor­fer Min­er­alien- und Berg­baubörse, DE
28. Feb. - GERA: MIN­ER­ALIEN-LIEB­HABER-TAG
01. Mar. - Min­er­alien­börse
01. Mar. - 18. In­tern. Mi­cro­moun­ter Tausch­tag in Rosen­heim/Ober­bay­ern
07. Mar. - In­ter­na­tio­nale Min­er­alien-, Fos­silien- und Sch­muck­börse Leip
08. Mar. - Rein­heim/Ge­or­gen­hausen – 30. Oden­wälder Min­er­alien­tag
08. Mar. - Arzberg­er Min­er­alien und Fos­silien­börse
14. Mar. - 27. Bit­ter­felder Min­er­alien- und Fos­silien­börse im Rathaus
15. Mar. - Min­er­alien­börse
15. Mar. - Nürn­berg­er Min­er­alien- & Fos­silien­börse DE
20. Mar. - GERA: Bild­vor­trag „Namibia – Sam­meln un­ter der Sonne Afrikas
22. Mar. - 63. Rhein-Neckar-Min­er­alien­börse in Wall­dorf
Calender
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Die 63. Rhein-Neckar-Mineralienbörse in Walldorf
 
 
 
Mineralienatlas (name for mineral atlas) is the platform for people interested in mineralogy, geology, palaeontology and mining since 2001. We operate a significant database for minerals, fossils, rocks and their localities. Mineralienatlas is not limited to a section. We bring together information and inform comprehensive.

To complete our information constantly, we need your support. With us, everyone can and should participate. Currently Mineralienatlas is used and expanded by 10457 members. Every month hundreds of thousands of visitors use our website as an information source.
 
Geolitho Foundation non-profit GmbH
Geolitho Foundation non-profit GmbH is the non-profit supporter of the Mineral Atlas (Mineralienatlas), the Lithotheque, the Geolitho Collection Management and the Marketplace and Store by collectors for collectors. The Foundation promotes public education in the field of mineralogy, geology, paleontology and mining by operating, maintaining and further expanding earth science projects.
 
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Marien­schacht...Gegenstand des Unternehmens war der Bergbau auf Flußspat, Blei- und Zinkerz und andere beibrechende Mineralien, sowie deren Aufbereitung und Veredelung. Wirtschaftliche Hauptaufgabe der Grube war die Versorgung der Riedel-de Haen AG mit dem für die Flußsäureproduktion im Werk Seelze erforderlichen Säurespat. Die wichtigsten Abbaugebiete, in denen die Gewerkschaft Wölsendorf Bergwerkseigentum hatte, waren die Bleierzgrube "Marienschacht" in den Gemeinden Schwarzach ... Ein Beitrag von Michael Kommer
...Ge­gen­s­tand des Un­terneh­mens war der Berg­bau auf Flußs­pat, Blei- und Zink­erz und an­dere bei­brechende Min­er­alien, sowie deren Auf­bere­i­tung und Vere­delung. Wirtschaftliche Haup­tauf­gabe der Grube war die Ver­sor­gung der Riedel-de Haen AG mit dem für die Flußsäure­pro­duk­tion im Werk Seelze er­forder­liche ... more...Gegenstand des Unternehmens war der Bergbau auf Flußspat, Blei- und Zinkerz und andere beibrechende Mineralien, sowie deren Aufbereitung und Veredelung. Wirtschaftliche Hauptaufgabe der Grube war die Versorgung der Riedel-de Haen AG mit dem für die Flußsäureproduktion im Werk Seelze erforderlichen Säurespat. Die wichtigsten Abbaugebiete, in denen die Gewerkschaft Wölsendorf Bergwerkseigentum hatte, waren die Bleierzgrube "Marienschacht" in den Gemeinden Schwarzach ... Ein Beitrag von Michael Kommer
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The Mu­nich Mi­cro­moun­ters and their Lithothek„What will be the fate of my collection once I will no longer be able to collect? There are specimens of unique beauty and extreme rarity in the collection, pieces that cannot be replaced since some localities are closed or have been obliterated. All this might be thrown away because not many people realise the value and importance hidden in these little unimpressive boxes”. Many micromounters are worried by these considerations and other factors. “My collection is an important part of my life and of my personality. If my collection dissapears, I too, will cease to exist without trace”. We, the Micromounters of the Münchener Mineralienfreunde, are no exception. Many times the future of our collections was subject of our discussions and conversations. Children and grand children are not always appreciative of their parents’ or grandparents’ passion.
„What will be the fate of my col­lec­tion once I will no longer be able to col­lect? There are spec­i­mens of unique beau­ty and ex­treme rar­i­ty in the col­lec­tion, pie­ces that can­not be re­placed since some lo­cal­i­ties are closed or have been oblit­er­at­ed. All this might be thrown away be­cause not many peo­ple ... more„What will be the fate of my collection once I will no longer be able to collect? There are specimens of unique beauty and extreme rarity in the collection, pieces that cannot be replaced since some localities are closed or have been obliterated. All this might be thrown away because not many people realise the value and importance hidden in these little unimpressive boxes”. Many micromounters are worried by these considerations and other factors. “My collection is an important part of my life and of my personality. If my collection dissapears, I too, will cease to exist without trace”. We, the Micromounters of the Münchener Mineralienfreunde, are no exception. Many times the future of our collections was subject of our discussions and conversations. Children and grand children are not always appreciative of their parents’ or grandparents’ passion.
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Min­er­al Por­trait - REE - Rare Earth El­e­mentsThis is the most comprehensive synopsis related to the history, the mineralogy, the exploitation and the most actual economic and political resumé on rare earth elements and their minerals to be found in the internet. REE belong to the most important raw materials of the 21st century, which are used in a large number of key technologies. However, due to the fact that almost 97% of the world's REE are mined and produced in China, REE have become an ongoing political issue, mainly amongst technology providing countries like the US, Japan and Western Europe.

This portrait tries to explain the characteristics of REE and their role for our modern world. Written and investigated by Peter Seroka. (Article in german)
This is the most com­pre­hen­sive syn­op­sis re­lat­ed to the his­to­ry, the min­er­al­o­gy, the ex­ploi­ta­tion and the most ac­tu­al eco­nom­ic and po­lit­i­cal re­sumé on rare earth el­e­ments and their min­er­als to be found in the in­ter­net. REE be­long to the most im­por­tant raw ma­te­rials of the 21st cen­tu­ry, which are used ... moreThis is the most comprehensive synopsis related to the history, the mineralogy, the exploitation and the most actual economic and political resumé on rare earth elements and their minerals to be found in the internet. REE belong to the most important raw materials of the 21st century, which are used in a large number of key technologies. However, due to the fact that almost 97% of the world's REE are mined and produced in China, REE have become an ongoing political issue, mainly amongst technology providing countries like the US, Japan and Western Europe.

This portrait tries to explain the characteristics of REE and their role for our modern world. Written and investigated by Peter Seroka. (Article in german)
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The "Eisen­ham­mer" (iron ham­mer) to He­im­buchen­thal The former "Eisenhammer" (iron hammer) to Heimbuchenthal has to show a very interesting history. The hammer mill established at the beginning of the 18th century reached at the end of the 18th century in the possession of the family Rexroth under whose guidance the company came to the full blossom. The squires showed a high social engagement which was reflected in the reimbursement of the workers, but also in the enlargement of the entrance ways. In specially constructed schools up to 30 children were teaches on the hammer mill property. On one, from oaks surrounded cemetery the late squires and their members were buried. In 1891 the company was discontinued and the hammer mill was converted into a court estate. From the industrial monument all buildings except the great smithy are even today in a very good state.

(Full text in german)
The former "Eisen­ham­mer" (iron ham­mer) to He­im­buchen­thal has to show a very in­ter­est­ing his­to­ry. The ham­mer mill estab­lished at the be­gin­n­ing of the 18th cen­tu­ry reached at the end of the 18th cen­tu­ry in the pos­ses­sion of the fam­i­ly Rexroth un­der whose gui­dance the com­pany came to the full blos­som. ... moreThe former "Eisenhammer" (iron hammer) to Heimbuchenthal has to show a very interesting history. The hammer mill established at the beginning of the 18th century reached at the end of the 18th century in the possession of the family Rexroth under whose guidance the company came to the full blossom. The squires showed a high social engagement which was reflected in the reimbursement of the workers, but also in the enlargement of the entrance ways. In specially constructed schools up to 30 children were teaches on the hammer mill property. On one, from oaks surrounded cemetery the late squires and their members were buried. In 1891 the company was discontinued and the hammer mill was converted into a court estate. From the industrial monument all buildings except the great smithy are even today in a very good state.

(Full text in german)
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Kies­grube Oh­le & Lau in Groß Pam­pau... Forschungsbohrungen (1988, Groß Pampau I & II) ergaben, dass ab ca. 7 m Tiefe der Tonschichten das mittlere Langenfeldium, ab ca. 19 m das untere Langenfeldium und ab ca. 29 m das obere Reinbekium beginnnt. Während des Hauptabbaus (Seeseite) in Groß Pampau waren ca. 17 m der Glimmertonschichten mehr oder weniger zugänglich, als Ton für die Deponieabdeckung abgebaut wurde. Anhand der aufgelesenen Fossilien (mehr als 150 Arten konnten gefunden werden) und dem Vergleich dieser Arten mit heute noch in gemäßigteren Regionen lebenden Vertretern (und deren Lebensbedingungen), geht man von einer damals durchschnittlichen Wassertiefe von 50 - 80 m aus. ...
... Forschungs­bohrun­gen (1988, Groß Pam­pau I & II) er­gaben, dass ab ca. 7 m Tiefe der Ton­schicht­en das mittlere Lan­gen­feldi­um, ab ca. 19 m das un­tere Lan­gen­feldi­um und ab ca. 29 m das obere Rein­bek­i­um be­ginn­nt. Während des Haupt­ab­baus (See­seite) in Groß Pam­pau waren ca. 17 m der Glim­mer­ton­schicht­en ... more... Forschungsbohrungen (1988, Groß Pampau I & II) ergaben, dass ab ca. 7 m Tiefe der Tonschichten das mittlere Langenfeldium, ab ca. 19 m das untere Langenfeldium und ab ca. 29 m das obere Reinbekium beginnnt. Während des Hauptabbaus (Seeseite) in Groß Pampau waren ca. 17 m der Glimmertonschichten mehr oder weniger zugänglich, als Ton für die Deponieabdeckung abgebaut wurde. Anhand der aufgelesenen Fossilien (mehr als 150 Arten konnten gefunden werden) und dem Vergleich dieser Arten mit heute noch in gemäßigteren Regionen lebenden Vertretern (und deren Lebensbedingungen), geht man von einer damals durchschnittlichen Wassertiefe von 50 - 80 m aus. ...
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Ge­o­log­i­cal Por­trait - de­positsDeposits are one of the most important topics in geology. Peter Seroka has addressed the issue in several years of work and has written an up-to-date geological summary. He dedicated his work to the 15 th anniversary of Mineralienatlas. The work gives detailed information regarding the origin of deposits, the different types of deposits and their classification. Examples of economically important deposits complete the chapters. Provided that this comprehensive work would be printed it would be a volume of over 400 pages; here it is provided in its entirety, online. Thanks to Peter Seroka. (written in german language).
De­posits are one of the most im­por­tant top­ics in ge­ol­o­gy. Peter Sero­ka has ad­dressed the is­sue in sev­er­al years of work and has writ­ten an up-to-date ge­o­log­i­cal sum­mary. He ded­i­cat­ed his work to the 15 th an­niver­sary of Min­er­alie­nat­las. The work gives de­tailed in­for­ma­tion re­gard­ing the ori­gin of d ... moreDeposits are one of the most important topics in geology. Peter Seroka has addressed the issue in several years of work and has written an up-to-date geological summary. He dedicated his work to the 15 th anniversary of Mineralienatlas. The work gives detailed information regarding the origin of deposits, the different types of deposits and their classification. Examples of economically important deposits complete the chapters. Provided that this comprehensive work would be printed it would be a volume of over 400 pages; here it is provided in its entirety, online. Thanks to Peter Seroka. (written in german language).
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Min­er­al Por­trait CalciteCalcite is one of the most abundant natural minerals. It is found in very different shapes, both compact as limestone as well as sinter in caves and in the crystalline state. But even in our daily life calcite is always present: in some regions it blockes water pipes as "chalk", we build our houses with it, it is in our food chain and without it we could not stand upright.

Calcite is not rare, but the varied mineral on Earth. The variety of forms and variations of the forms of calcite are unmatched in the world of mineralogy. By 2009, more than 800 Calcit forms have been described.
Calcite is one of the most abun­dant na­t­u­ral min­er­als. It is found in very dif­fer­ent shapes, both com­pact as lime­s­tone as well as sin­ter in caves and in the crys­tal­line state. But even in our dai­ly life calcite is al­ways pre­sent: in some re­gions it block­es wa­ter pipes as "chalk", we build our hous­es ... moreCalcite is one of the most abundant natural minerals. It is found in very different shapes, both compact as limestone as well as sinter in caves and in the crystalline state. But even in our daily life calcite is always present: in some regions it blockes water pipes as "chalk", we build our houses with it, it is in our food chain and without it we could not stand upright.

Calcite is not rare, but the varied mineral on Earth. The variety of forms and variations of the forms of calcite are unmatched in the world of mineralogy. By 2009, more than 800 Calcit forms have been described.
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