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  2. Selenite (mineral) - Wikipedia

    en.wikipedia.org/wiki/Selenite_(mineral)

    Selenite, satin spar, desert rose, and gypsum flower are crystal habit varieties of the mineral gypsum.. All varieties of gypsum, including selenite and alabaster, are composed of calcium sulfate dihydrate (meaning that it has two molecules of water), with the chemical formula CaSO 4 ·2H 2 O. Selenite contains no selenium, the similar names both derive from Greek selḗnē (σελήνη 'Moon').

  3. Category:Selenite minerals - Wikipedia

    en.wikipedia.org/wiki/Category:Selenite_minerals

    What links here; Related changes; Upload file; Special pages; Permanent link; Page information; Get shortened URL; Download QR code

  4. Demesmaekerite - Wikipedia

    en.wikipedia.org/wiki/Demesmaekerite

    Demesmaekerite is a rare uranium selenite mineral with the chemical formula: Pb 2 Cu 5 (UO 2) 2 (SeO 3) 6 (OH) 6 ·2H 2 O. . It is named after the Belgian mineralogist Gaston Demesmaeker, who worked at the Musonoi Mine in Katanga.

  5. Selenite - Wikipedia

    en.wikipedia.org/wiki/Selenite

    Selenite (mineral), a variety of gypsum (CaSO 4 ·2H 2 O) Selenites is a synonym of Zophos, a genus of land snails in the family Haplotrematidae; Selenite Range, a mountain range in Pershing County, Nevada Selenite Peak, a summit in the Selenite Range, Nevada; Selenite, a high class citizen that experienced space travel, from the videogame Event_0

  6. Gypsum - Wikipedia

    en.wikipedia.org/wiki/Gypsum

    Gypsum occurs in nature as flattened and often twinned crystals, and transparent, cleavable masses called selenite. Selenite contains no significant selenium; rather, both substances were named for the ancient Greek word for the Moon. Selenite may also occur in a silky, fibrous form, in which case it is commonly called "satin spar".

  7. Category:Selenites - Wikipedia

    en.wikipedia.org/wiki/Category:Selenites

    Selenite minerals (5 P) Pages in category "Selenites" The following 15 pages are in this category, out of 15 total. This list may not reflect recent changes. ...

  8. Selenium - Wikipedia

    en.wikipedia.org/wiki/Selenium

    The common mineral selenite is not a selenium mineral, and contains no selenite ion, but is rather a type of gypsum (calcium sulfate hydrate) named like selenium for the moon well before the discovery of selenium. Selenium is most commonly found as an impurity, replacing a small part of the sulfur in sulfide ores of many metals.

  9. List of minerals - Wikipedia

    en.wikipedia.org/wiki/List_of_minerals

    This is a list of minerals which have Wikipedia articles. Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species. Within a mineral species there may be variation in physical properties or minor amounts of impurities that are recognized by ...

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