Terrestrial #Carpathite comes from decomposed plant matter. It isn’t hard to imagine a chlorophyll molecule exchanging Mg for V, under the right conditions, followed by hydrothermal deposition in crystalline form.
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Hashtag
#carpathite
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Sort of an aside. Space apparently smells like burnt steak due to PAHs. So is #Carpathite …
Burnt Meat Rock!
#MinCup25
(I know … too late. But could have been awesome.)
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I’m backing the underdog, #Carpathite in today’s #MinCup vote: I wasn’t aware that crystalline polycyclic aromatic hydrocarbons existed in nature! PAHs in Antarctic Martian meteorite Allan Hills 84001 were briefly considered as evidence that it once contained microbial life.
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Closing in, #Tugtupite has a big lead over #Carpathite & no surprise as the “Reindeer Blood” mineral is just incredible. Fluorescent, phosphorescent AND pleochroic, also generating an electric charge under pressure? It’s going to give #Perovskite all it can handle & maybe more next round! #MinCup25
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The lights are turned off and a UV light illuminates neon green and oranges in a collection of florescent minerals
With the lights on, this display looks like a basic collection of grey and brown rocks.
For #carpathite vs #tugtupite I don't have photos exactly but I want to share the florescents display!
#MinCup25
#MinCup25SideQuest
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#MinCup25 #R2M4
It's truly a battle of the UV dynamos.
For this match we have two fluorescent beauties facing off in what promises to be a good match.
We have #carpathite the very rare hydrocarbon versus #tugtupite the silicate relative of sodalite
Battle of the glowing stones
Pics below
Vote!
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#MinCup25
But were left with questions.
Where did terrestrial #carpathite coronene come from?
Delivered by meteors and comets? Synthesized by life? The cooked distilled remains of earliest life? Forest fires? Other?
What are the latest theories? 🤷🏻♀️
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Tough choice:
#carpathite bc I'm an organic chemist
#tugtupite bc of tenebrescence (when a mineral changes color after exposure to UV light)
Tugtupite from Greenland,
left: after exposure to SW-UV;
right: the pink color faded after ca. 1 day in its box.
(this sample has been stolen 2023 😭)
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Vote #Carpathite :)
#MinCup25 sci-fi 🧪 🖖🏼 scifi Geosciences #WomenInSTEM geology 🔭🪐
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As a lifelong horror fan, and a particular fan of Christmas horror, I had to vote for #Tugtupite (Reindeer! Blood!) but I am also a big fan of #Carpathite because 1) pretty! and 2) Carpathians? Horror adjacent! #MinCup25
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Carpathite is one of the few organic minerals...why are y'all not voting for it??!!
Join team #carpathite with me!
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#Carpathite is composed of hydrothermally deposited coronene. Coronene is also proxy for wildfire activity, a function of terrestrial biomass, atmospheric O2, and ignition sources like lightning, volcanoes, and bolides. The oldest known occurrence on Earth dates to the early Ediacarian.
#MinCup25
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En el juego 4 de la 2da ronda de #MinCup25 se enfrentan Carpatita #Carpathite vs. Tugtupita #Tugtupite. ¿Cuál ganará?
Votá: www.mineralcup.org/2025/vote/r2...
Yo elegí Tugtupite
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Tough choice: The one looks like a marten gnawed on the Large Hadron Collider or the one that looks a vampire dragged a body through a Fort Lauderdale fine art gallery
Gotta go with mustelid attack and vote #Carpathite #MinCup25
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Can someone explain to me why natural #carpathite and synthetic fluoresce with different colors? Is it related to purity versus a solid solution? #MinCup25
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#MinCup Round 2 Match 4:
It’s a battle of mineralogical oddities as organic mineral #Carpathite battles against vs #Tugtupite, a mineral that looks like reindeer blood!
Vote: www.mineralcup.org/2025/vote/r2...
Results: www.mineralcup.org/2025/results...
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You did not fail. Great information. #carpathite will need all support it can muster to defeat perovskite, this year’s mineral closest to harnessing meat rock energy. 🧐
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Image by Rob Lavinsky shows yellow planes of Carpathite radiating out from the bottom center of a cut rock. The background rock is white with a brownish shell, and the carpathite radiates our like sun beams drawn by a child.
Let's dig in on #Carpathite. With it's planer structure, it looks like the frosting in a poorly constructed layer cake when viewed in sliced rocks. Hit it with UV light, & it will fluoresce back with blue light. Made of C24H12, Carpathite is pure coronene, a polycyclic aromatic hydrocarbon (PAH).
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Today's #mincup competitors are going to take more than just a post or 2 to discuss. We have soft & white #leucite versus green in visual & blue under UV #carpathite, which is the crystalized form of Coronene.
From appearance alone, the striking #carpathite is the winner
But let's look deeper. A 🧵
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Those are the best clear crystals I’ve seen of #Leucite ! Sadly I just saw the loss to #Carpathite
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Reading up on both #Carpathite and #Leucite I really like them both. I tend to favor minerals that have volcanoes 🌋 in their origin stories, so that has me tipping towards leucite. However, I remain unconvinced, and with six hours to go, I’m open to all arguments. #MinCup25 (Pix from mindat.org)
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I love Mineral Cup for educating me about minerals I'd never heard of before.
But I'll still vote for shallow reasons. #Carpathite is more colorful than #Leucite, so even though leucite is also "white garnet", I'm voting for carpathite.
#MinCup25
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Fluorescence for the win! #carpathite
(#TeamPaddlewheelite)
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Tough call today in #mincup25 , but I'm going #carpathite , the organic crystal pretending to be a mineral. It's like a spy for the organic world infiltrating inorganic spaces!
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It is tough. However, #VOTE #CARPATHITE I think. #MinCup25 #MinCup 🤔🥾⚒️
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#Carpathite
1. How does it form? What’s the distinction that makes it ok to be a mineral despite being organic? It is always metamorphism of previously-biological goop?
2. Why its structure is spoken of in delight (or described as corrugated layers)?
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Boar's Tusk in the Leucite Hills, Wyoming. From Wikimedia, photo by James St. John.
A thin section of leucite in cross-polars, showing the twinning formed when high-temperature isometric crystals transitions to tetragonal symmetry. From Smith College, https://www.science.smith.edu/geosciences/petrology/petrography/leucite/leucite.html
Leucite has a range of volcanic hills named after it, see:
https://www.geowyo.com/leucite-hills.html
These are strange, high potassium lamproites from the mantle, only 1-2 million years old.
Match that, organic goo #carpathite !
Students at Smith College […]
[Original post on fosstodon.org]
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Hoy es el 6to Match de #MinCup25 dónde el mineral orgánico Carpatita #Carpathite se enfrenta a la Leucita #Leucite con una estructura que cambia reversiblemente con la temperatura.
Yo voté Leucita, vos qué votás? 👇🏻
www.mineralcup.org/2025/vote/r1...
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#MinCup25 Round 1 Match 6: 🔷 #Carpathite, the rare hydrocarbon mineral that fluoresces blue, vs ⚪ #Leucite, the volcanic feldspathoid
#minerals #mineralogy
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That clinches it for me! I'll vote for the flammable rock. #Carpathite
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