• Ventura Gem & Mineral Society | Minerals • Fossils • Education • Collecting • Field Trips • Lapidary • Museum • Ventura County, CA
    Ventura Gem & Mineral Society | Minerals • Fossils • Education • Collecting • Field Trips • Lapidary • Museum • Ventura County, CA
    Science Earth Sciences Geology Rocks and Minerals Organizations 网站
  • Del-Air Rockhounds Club Corporation
    Del-Air Rockhounds Club Corporation
    Science Earth Sciences Geology Rocks and Minerals Organizations Collectors and Amateur Interests 网站
  • Heilsteine & Co. - Edelsteine, Kristalle, Mineralien
    Heilsteine & Co. - Edelsteine, Kristalle, Mineralien
    Science Earth Sciences Geology Rocks and Minerals Minerals Directories 网站
  • Home - Mineralogical Society of the UK and Ireland
    Home - Mineralogical Society of the UK and Ireland
    Science Earth Sciences Geology Rocks and Minerals Organizations 网站
  • Northwest Opal Association
    Northwest Opal Association
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  • GemAddicts.com
    GemAddicts.com
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  • Mineralogisch Museum | Cursus Edelsteenkunde | ACAM vzw
    Mineralogisch Museum | Cursus Edelsteenkunde | ACAM vzw
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  • The Lapidary Store | Made in USA Cabochons
    The Lapidary Store | Made in USA Cabochons
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  • AFMS
    AFMS
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  • Calaveras Gem & Mineral Society, Angels Camp, CA
    Calaveras Gem & Mineral Society, Angels Camp, CA
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  • Penn Minerals! - Classic Minerals and More from Pennsylvania
    Penn Minerals! - Classic Minerals and More from Pennsylvania
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  • International Gem Society IGS - Information and educational services for everyone interested in gemstones
    International Gem Society IGS - Information and educational services for everyone interested in gemstones
    Science Earth Sciences Geology Rocks and Minerals Organizations 网站
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