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Thursday, November 21, 2024
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Minerals

    grape-agate

    Grape Agate: A Food Look-Alike Mineral

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    st. michaelis tourist mine in clausnitz, germany allows visits to an erzgebirge mine as described by georgius agricola

    Georgius Agricola & De Re Metallica (Part II)

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    georgius agricola the author of de re metallica

    What is De Re Metallica By Georgius Agricola? (Part I)

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    flowering tube onyx

    Flowering Tube Onyx: What to Cut

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    zodiac-crystals

    Zodiac Crystals: The Best Crystals for Your Sign

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    types-of-quartz

    Types of Quartz: 7 Spooky Varieties

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    arsenic

    Meet Arsenic, the King of Poisons

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    Molybdenum, Wulfenite & Molybdenite

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    what-are-yooperlites

    Yooperlites: What & Where to Find Them

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    sphalerite a secondary zinc metal

    Zinc Metal: A Mysterious Case of Disappearing

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