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  • Sulfur and Oxygen Minerals: A Comprehensive Guide
    There are many minerals that contain sulfur and oxygen. Here are a few examples, categorized by their chemical composition:

    Sulfates: These minerals contain the sulfate anion (SO42-).

    * Gypsum (CaSO4·2H2O): A common, soft mineral found in sedimentary rocks.

    * Anhydrite (CaSO4): A dehydrated form of gypsum.

    * Barite (BaSO4): A dense mineral used in drilling mud.

    * Celestite (SrSO4): A pale blue mineral used in fireworks.

    * Anglesite (PbSO4): A lead sulfate mineral.

    * Alunite (KAl3(SO4)2(OH)6): A potassium aluminum sulfate hydroxide.

    Sulfides: These minerals contain sulfur bonded directly to a metal.

    * Pyrite (FeS2): A common, gold-colored mineral known as "fool's gold."

    * Chalcopyrite (CuFeS2): A copper-iron sulfide ore.

    * Galena (PbS): A lead sulfide ore.

    * Sphalerite (ZnS): A zinc sulfide ore.

    * Cinnabar (HgS): A mercury sulfide ore.

    * Stibnite (Sb2S3): An antimony sulfide mineral.

    Other minerals containing sulfur and oxygen:

    * Sulfur (S): Elemental sulfur can occur naturally in volcanic areas.

    * Quartz (SiO2): Though not containing sulfur, it often forms with sulfur-containing minerals in hydrothermal environments.

    This list is not exhaustive, as there are many other minerals that contain sulfur and oxygen. The specific minerals found in a given location will depend on the geological environment and processes that have formed them.

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