this post was submitted on 03 Dec 2024
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Science Memes

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Heavy Metals (mander.xyz)
submitted 2 weeks ago by [email protected] to c/[email protected]
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[–] [email protected] 40 points 2 weeks ago (6 children)

What's organic iron?

[–] [email protected] 151 points 2 weeks ago (1 children)

Same as iron but costs 30% more

[–] [email protected] 18 points 2 weeks ago

The correct answer here.

[–] [email protected] 35 points 2 weeks ago* (last edited 2 weeks ago)

Doesn't exist. Some metals can form organometallic complexes (with CO, CN, methyl groups), in which case you get for instance "organic mercury" compounds. Iron can also do that, but that's not what theyre talking about here.

What they mean is "biogenic" iron. The snail precipitates dissolved iron and sulfur in the water to form its shell out of iron sulfide. Its a different physical structure, but chemically similar to iron pyrite (fools gold).

[–] [email protected] 19 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

Looks like iron sulfide, pyrite, and greigite in this case.

Highlights from this rabbit hole: "imbricating chitinous sclerites" and "conchiolin".

https://www.marinebio.org/species/scaly-foot-snails/chrysomallon-squamiferum/

https://www.nature.com/articles/s41467-020-15522-3

https://academic.oup.com/biolinnean/article-abstract/114/4/949/2415936

[–] [email protected] 8 points 2 weeks ago

Wait GregTech has its own iron ores in real life now as well‽

[–] [email protected] 12 points 2 weeks ago (1 children)

Hazarding a guess, but I think it's referring to something like "the biologically mediated reduction of iron".

[–] [email protected] 8 points 2 weeks ago (1 children)

I'd have guessed iron+carbon, instead (so, steel).

[–] [email protected] 15 points 2 weeks ago

Lots of carbon = iron
Little bit of carbon = steel
Zero carbon = iron

It's confusing, I know

[–] [email protected] 8 points 2 weeks ago (1 children)

organic iron plates, not plates of organic iron.

the plates are generated by an organic process, not out of organic materials.

you can't just remove a word from the context and act as if that doesn't change the meaning.

[–] [email protected] 5 points 2 weeks ago (1 children)

organic iron plates, not plates of organic iron. the plates are generated by an organic process, not out of organic materials.

Makes sense, thanks

you can’t just remove a word from the context and act as if that doesn’t change the meaning.

Well, I'm not a native english speaker and the title seemed at least misleading.

[–] [email protected] 1 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

fair enough! I see now that my comment might look a little antagonizing, that was not what I wanted to express, sorry bout that.

[–] [email protected] 1 points 2 weeks ago

No problem, man. Languages are bitches!

[–] [email protected] 7 points 2 weeks ago (1 children)

Wikipedia says it's iron sulfide. I'm not sure that's organic.

[–] [email protected] 5 points 2 weeks ago

Yeah, no.