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  2. Tourmaline - Wikipedia

    en.wikipedia.org/wiki/Tourmaline

    Dravite species such as green chromium dravite and brown dravite are diamagnetic. A handheld neodymium magnet can be used to identify or separate some types of tourmaline gems from others. For example, blue indicolite tourmaline is the only blue gemstone of any kind that will show a drag response when a neodymium magnet is applied.

  3. List of gemstones by species - Wikipedia

    en.wikipedia.org/wiki/List_of_gemstones_by_species

    Actinolite. Nephrite (var.); Adamite; Aegirine; Afghanite; Agrellite; Algodonite; Alunite; Amblygonite; Analcime; Anatase; Andalusite. Chiastolite; Andesine ...

  4. Dravite - Wikipedia

    en.wikipedia.org/?title=Dravite&redirect=no

    Tourmaline#Dravite To a section : This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{ R to anchor }} instead .

  5. Elbaite - Wikipedia

    en.wikipedia.org/wiki/Elbaite

    Elbaite forms three series, with dravite, with fluor-liddicoatite, and with schorl. Due to these series, specimens with the ideal endmember formula are not found occurring naturally. As a gemstone, elbaite is a desirable member of the tourmaline group because of the variety and depth of its colours and quality of the crystals.

  6. List of minerals recognized by the International ...

    en.wikipedia.org/wiki/List_of_minerals...

    This list includes those recognised minerals beginning with the letter O.The International Mineralogical Association is the international group that recognises new minerals and new mineral names; however, minerals discovered before 1959 did not go through the official naming procedure, although some minerals published previously have been either confirmed or discredited since that date.

  7. List of minerals recognized by the International ...

    en.wikipedia.org/wiki/List_of_minerals...

    This list includes those recognised minerals beginning with the letter C.The International Mineralogical Association is the international group that recognises new minerals and new mineral names; however, minerals discovered before 1959 did not go through the official naming procedure, although some minerals published previously have been either confirmed or discredited since that date.

  8. List of minerals recognized by the International ...

    en.wikipedia.org/wiki/List_of_minerals...

    This list includes those recognised minerals beginning with the letter F.The International Mineralogical Association is the international group that recognises new minerals and new mineral names; however, minerals discovered before 1959 did not go through the official naming procedure, although some minerals published previously have been either confirmed or discredited since that date.

  9. Mindat.org - Wikipedia

    en.wikipedia.org/wiki/Mindat.org

    Mindat was started in 1993 as a personal database project by Jolyon Ralph. He then developed further versions as a Microsoft Windows application before launching a community-editable database website on 10 October 2000.

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