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    Stapel van Stenen
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    Category: Gem or Scam? Library

    belazeriet bibliotheek

    Introduction: Gem or Scam?

    On this introductory page, I explain exactly what "Scammite" (Belazeriet in Dutch) means, discuss different forms of Scammite, and how the Gem or Scam…
    rolf
    rolf 29 November 2024
    0 Comments
    standaarden naamgeving

    Names of minerals and gemstones

    Why is correct naming of gemstones and minerals important? Commercial names and fancy names can cause confusion. It also highlights legal aspects and …
    rolf
    rolf 7 May 2025
    0 Comments
    onderzoek stapel van stenen

    Research

    The compilation of the online "Gem or Scam" library was preceded by extensive research, consulting various sources. The process included analyzing com…
    rolf
    rolf 16 June 2025
    0 Comments
    blaming and shaming belazeriet - istock filo

    Consequences of Scammite

    Learn about the consequences of "Scammite", including confusion, health risks and legal liability due to misleading naming. Be aware of blaming and sh…
    rolf
    rolf 16 June 2025
    0 Comments
    gilson-opaal-black-opals-pinfire

    Gilson opal

    A name for a synthetic man-made opal designed to mimic the appearance of natural precious opal as good as possible. Gilson opal was developed by…

    rolf
    rolf 7 May 2025
    0 Comments

    African bloodstone

    Commercial name for a green-gray chalcedony with delineated pieces of red jasper and light gray chalcedony, often combined with speckles of pyrite. The stone consists…

    rolf
    rolf 5 July 2025
    0 Comments

    Analysis: apatite in cleavelandite or not?

    By now there are a lot of stones on the market with blue spots, under a lot of different names. One name that has recently…

    rolf
    rolf 27 September 2024
    0 Comments

    Strawberry quartz

    Commercial name for red- to pink-colored quartz with hematite inclusions or man-made glass. Originally, this name was used in the 19th century for quartz with…

    rolf
    rolf 5 July 2025
    0 Comments

    Afghanistan/Afghan jade

    Misleading commercial name for the mineral bowenite, a variety of antigorite, a mineral from the serpentine group. So it is not jade, but is sold…

    rolf
    rolf 5 July 2025
    0 Comments

    African jade

    Misleading commercial name for a massive variety of grossular, a green mineral from the garnet group. Named for its occurrence in Africa and used as…

    rolf
    rolf 5 July 2025
    0 Comments
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    agate (5) Amazonite (3) amethyst (6) andara (3) Aragonite (2) asbestos (2) Auralite 23 (2) azeztulite (2) Azumar (1) Azurite (2) bumblebee jasper (2) cactus quartz (2) chalcanthite (2) chalcedony (2) chevron amethyst (2) chlorite (2) Collect (2) collection (2) fluorescence (2) fluorite (2) Gem or Scam? (4) gemstones (2) geology (2) hematite quartz (2) Indonesia (2) International Minerals Fair Rijswijk (2) iridescent (2) iris agate (3) jade (3) Malachite (2) minerals (5) moldavite (2) obsidian (3) opal (2) pallasite (2) pyrite (2) quartz (4) rubellite (2) schorl (2) Scotland (2) sphalerite (2) Super Seven (2) tektite (2) tourmaline (3) volcanic glass (2)

    • Deeper analysis (7)
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    • Gem or Scam? Library (34)
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