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  2. Gypsum - Wikipedia

    en.wikipedia.org/wiki/Gypsum

    Gypsum is a common mineral, with thick and extensive evaporite beds in association with sedimentary rocks. Deposits are known to occur in strata from as far back as the Archaean eon. [16] Gypsum is deposited from lake and sea water, as well as in hot springs, from volcanic vapors, and sulfate solutions in veins.

  3. Phosphogypsum - Wikipedia

    en.wikipedia.org/wiki/Phosphogypsum

    The state of Florida has approximately 80% of the world's phosphogypsum production capacity. In May 2023, the Florida legislature passed a bill requiring the Florida Department of Transportation to study the use of phosphogypsum in road construction, including demonstration projects, though this would require federal approval. [ 11 ]

  4. Piney Point phosphate plant - Wikipedia

    en.wikipedia.org/wiki/Piney_Point_phosphate_plant

    On March 25, 2021, leaks were discovered in the containment wall of a 67-acre (27 ha) holding pool located in a stack of radioactive phosphogypsum, storing approximately 480 million US gallons (1.8 × 10 ^ 6 m 3) of wastewater containing nitrogen, phosphorus, ammonia, and small amounts of radium and uranium from the former operations at the plant, as well as seawater from the dredging of Berth ...

  5. A new era for Florida’s phosphates: rare earth minerals for ...

    www.aol.com/era-florida-phosphates-rare-earth...

    Scientists say Florida phosphates are significant sources of rare earth elements, highly sought for everything from cell phones to EVs.

  6. Alabastine Mine - Wikipedia

    en.wikipedia.org/wiki/Alabastine_Mine

    The Alabastine Mine is an underground gypsum mine in Wyoming, Michigan, originally dug by hand in 1907. The mine once included an underground stable for the mules used to haul the gypsum. The mine once included an underground stable for the mules used to haul the gypsum.

  7. Archaeologists dig up 1,600-pound coffin in Roman grave ...

    www.aol.com/news/archaeologists-dig-1-600-pound...

    An ancient Roman grave filled with white gypsum was found in England, officials announced last week. ... "a rare find." ... The coffin was so heavy in part because it was filled with a substance ...

  8. 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').

  9. American crocodiles are rare and one just showed up on a ...

    www.aol.com/american-crocodiles-rare-one-just...

    Only 1,500 to 2,000 adult crocodiles survive in southern Florida’s brackish swamps, so seeing one on a public beach is highly unusual, according to the South Florida Wildlands Association.