21 November 2023

Amethyst - updated


Via.  I would appreciate any information about the provenance of this amazing image.

Reposted from 2017 to add this photo of another specimen (via):


Reposted from 2021 to insert this amazing video, sent to me by reader Lyle:

11 comments:

  1. A couple years ago you had a photo of one of these amethyst geodes that was purported to be the worlds largest and I posted saying I'd seen larger.
    Not this time.

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    1. I'm amazed some crew was able to transport it out of a mine.

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  2. My comment on Twitter, linking to this post: "Seems a pity that this is far too precious to play in. Looks like wormhole entrance, but space travel games are out."

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    1. "“The thing’s hollow -- it goes on forever -- and -- oh my God! -- it’s full of stars!” (David Bowman)

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  3. Found this photo and similar ones the website of a company in Uruguay that is a mineral wholesaler:
    http://www.lestageminerals.com/en/Empresa

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  4. Found this from April 2014, but doesn't show source...http://franciscobostromgemosofia.blogspot.com/2014/04/cielos-violaceos-de-ametista-en-geoda.html

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  5. http://birthstones.today/biggest-birthstones-on-record/

    I-)

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  6. Probably taken in Tucson AZ. Biggest Gem and Mineral show in the world takes place the first 2 weeks of Feb. all over Tucson AZ, every year! check it out: https://www.visittucson.org/visit/events/featured-tucson/tucson-gem-mineral-fossil-showcase

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  7. It's not as pretty as the amethyst, but there is a cave on South Bass Island in Lake Erie that is claimed to be the largest geode in the world. It contains crystals of strontium sulfate, known as celestite. It is almost 40 feet in diameter.

    https://www.portclintonnewsherald.com/story/news/local/2016/07/22/put--bay-caves-brings-crowds-underground/87109744/

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    1. This comment has been removed by the author.

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