where are siderite mines found in usa

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  • The Quartz Page: Amethyst

    A very remarkable exception from the "rule of simple crystal forms" is the amethyst found in the Brandberg/Goboboseb area in Namibia, where bipyramidal s-faces and ...

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  • iRocks.com - Search Mineral Archives

    Over 40,000 specimens online Over 1,000 species represented! Search Fine Minerals! About Us. iRocks History; Natural Art; What is the Arkenstone?

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  • Excalibur Mineral Corporation - Current List

    Current List: Each month, we offer an abbreviated selection of minerals from our inventory of over 200,000 samples. If you don't see what you're ...

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  • britishmicromountsociety.homestead.com

    Comments and Observations BMS Micro Collection -141. ('84) The faintly green rosettes of tiny needles have been identified as pumpellyite by XRD (RMS).

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  • Precious Metal Ores, Gold, Platinum, Silver and Copper

    Precious Metal Ores, photos showing Gold, Platinum, Silver and Copper Minerals

    EXPLORIT SCIENCE CENTER: Science Facts

    When the star that we call our Sun condensed out of a swirling cloud of hot interstellar gas, some material remained in orbit around the newly forming star.

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  • Galena: Galena mineral information and data. - …

    <m>Galena Group</m>. Galena is the primary ore mineral of lead. Worked for its lead content as early as 3000 BC, it is found in ore veins with sphalerite, pyrite ...

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  • Quick Mineral Reference: Formula, Group, Class, …

    John Betts - Fine Minerals, New York, NY Dealers of Fine Minerals and Natural Crystal Clusters since 1989. Mineral Species Quick Reference Guide

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  • Colorado Rockhounding - Peak To Peak

    Welcome to the web page that reflects on some of my rockhounding journeys in the great state of Colorado, USA. The purpose of this web page is to explain what types ...

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  • Pictures, stories, and facts about the element …

    Photographs and descriptions of many samples of the element Oxygen in the Periodic Table.

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  • SIDERITE (Iron Carbonate) - Amethyst Galleries

    Siderite is named for the Greek word for iron, sideros. The word siderite is used in a number of rarer minerals and except in the fact that they all contain iron ...

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  • Banded iron formation - Sandatlas

    Banded iron formation is a chemogenic sedimentary rock (material is believed to be chemically precipitated on the seafloor). Because of old age BIFs generally have ...

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  • Mindat - Mineral Collecting, Localities, Mineral …

    Welcome to mindat.org Mindat.org is the online mineral and locality database, containing information on minerals, rocks, meteorites, and more! Over 380,000 unique ...

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  • Journal of weekly news and commentaries about rocks …

    lc John Betts - Fine Minerals, New York, NY Dealers of Fine Minerals and Natural Crystal Clusters since 1989. Journal of weekly news and commentaries about rocks and ...

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  • Minerals List | David K. Joyce Minerals

    Latest Additions. Below are the most recent additions to my specimens database. Click on any of the thumbnails to view a larger image of the specimen.

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