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  1. Sep 7
    Replying to

    specifically, ! These crystals were found loose in between Kohala and Mauna Kea on the Big Island of Hawai`i. Basalt sample from the area has visible crystals of white , rust-colored and dark brown-black .

    9 retweets 37 likes
  2. Sep 9

    Removing this big juicy from my sample NWA 6162 today. We need to separate minerals individually to create an isochron inorder to assign it an age. A very delicate process.

    Close up of a martian meteorite. It is light grey mostly with large olivine phenocrysts.
    Close up of a martian meteorite. It is light grey mostly with large olivine phenocrysts. It is broken in half along the edge of a large olvine.
    Close up of a martian meteorite. It is light grey mostly with large olivine phenocrysts. Its cut in half with a large olivine separated
    1 reply 1 retweet 40 likes
  3. Sep 8

    Dear players and fans, Anyone wanna art us a victory cup? Past winners for inspiration:

    Hi @MinCup2021 Twitter. What does the look like? My students are going to want to know what the actual cup the winning mineral gets looks like. Help a prof out. What do you think?
    6 replies 11 retweets 21 likes
  4. Sep 8

    New to my Inventory!! Orgonite Pyramid Olivine Healing Crystal $32.58           

  5. Sep 14

    Uh oh. There are a lot of geoscientists here on Twitter who feel that was robbed in a final a few years back. For the record, I voted for the winner that time. Sorry. Not Sorry. Thankfully it's pitched against a different mineral in this round of

    ROUND 1 MATCH 13 Will time lord survive the test of 24 hours? Or will newcomer scrub out the competition? Pick your favorites and defend them, go vote!
    Show this thread
    1 retweet 5 likes
  6. 14 hours ago

    I voted for because of the two it's the clay mineral I see more often, but mostly I'm just waiting for the absolute carnage of vs in tomorrow's ...

    4 replies 4 retweets 25 likes
  7. 2 hours ago

    can be an original condensate from dust (chondrites) or can form later as part of formation, and occurs in stony, stony-iron, and iron . Gem-quality has been ID'd in pallasite meteorites.

    4 likes
  8. 3 hours ago

    It depends on the type! In stony meteorites, the most abundant are and , but in iron meteorites it's .

    4 likes
  9. Sep 9

    I've been swung by this tweet though. I am, and always will be, an fan-girl, so by defacto, shall be getting my vote today

    Replying to @MineralCup
    Difficult - but serpentine is basically zombie olivine. That gets my vote.
    1 like
  10. 6 hours ago
    Replying to

    v gon be like. I'm waiting for the savagery of the v rematch. Hate vote the green menace!

    1 retweet 7 likes
  11. Sep 13
    Replying to

    match between returning champions vs is on September 15. Join us. It’ll be fun!

    2 retweets 4 likes
  12. Sep 10

    The Egyptians call ‘the gem of the sun'.

    2 retweets 1 like
  13. Sep 8
    Replying to

    Yep. Once upon a time, I was a geology major doing a project on mantle xenoliths. I spent many hours peering down a microscope at the kinds of rocks that have lots of and .

    1 reply 2 likes
  14. Sep 10
    Replying to and

    Txs.. And this also fighting climate change. Today at CO2 removal

    1 reply 4 likes
  15. Sep 8

    🔥⚒ مجموعة معادن الاوليفين ⚒🔥💚 Olivine Mineral Group احدي مجموعات معادن ( النيزو سيليكات : سيليكات رباعية الاوجه المفردة ) فيها انيونات رباعية التكافؤ السالب من اكسيد السيليكون , ترتبط مع بعضها بكاتيونات مختلفة معدن :

    3 likes

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