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Uploaded by Parcly Taxel
Parcly Taxel - For supporting the site
Silly Pony - Celebrated the 13th anniversary of MLP:FIM, and 40 years of MLP!
Flower Trio - Helped others get their OC into the 2023 Derpibooru Collab.
Roseluck - Had their OC in the 2023 Derpibooru Collab.
Tree of Harmony - Drew someone's OC for the 2022 Community Collab
Elements of Harmony - Had an OC in the 2022 Community Collab
Philomena - For helping others attend the 2021 community collab
Twinkling Balloon - Took part in the 2021 community collab.
Ten years of changes - Celebrated the 10th anniversary of MLP:FiM!
Happy Derpy! - For Patreon supporters
Bronze Supporter - Bronze Supporter
Friendship, Art, and Magic (2020) - Took part in the 2020 Community Collab
The Magic of Friendship Grows - For helping others attend the 2020 Community Collab
Chaotic Little Trees - 1000+ images under their artist tag
Perfect Pony Plot Provider - Uploader of 10+ images with 350 upvotes or more (Questionable/Explicit)
Toola Roola - For helping others attend the 2019 Community Collab
Friendship, Art, and Magic (2019) - Celebrated Derpibooru's seventh year anniversary with friends
Friendship, Art, and Magic (2018) - Celebrated Derpibooru's six year anniversary with friends.
Helpful Owl - Drew someone's OC for the 2018 Community Collab
A Really Hyper Artist - 500+ images under their artist tag
Friendship, Art, and Magic (2017) - Celebrated Derpibooru's five year anniversary with friends.
The Power of Love - Given to a publicly verified artist with an image under their artist’s tag that has reached 1000 upvotes
A Really Classy Artist - 250+ images under their artist tag
An Artist Who Rocks - 100+ images under their artist tag
A Perfectly Normal Pony - But my memory is a gaping vagina
Artist -
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Description

81, Thallium  
Weasyl | Pixiv | Twitter | Inkbunny | Deviant Art
 
Scintillators for detecting gamma rays use sodium iodide doped with thallium. Historically, the heavy metal was used as a poison.
 
The font used for the symbol and book title is IBM Plex Sans. There are also a number of puns hidden.
 
SVG here.

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2172840 artist:parclytaxel
1514 rarity
217422 pony
1601028 unicorn
537298 series:joycall6's periodic table
135 g4
2027285 .svg available
10718 absurd resolution
67441 agatha christie
4 bag
9606 book
43516 chemistry
429 dexterous hooves
911 fedora
1295 female
1801165 hat
124114 hoof hold
12941 lidded eyes
47957 mare
740113 periodic table
241 pun
8932 saddle bag
8228 scintillator
1 simple background
595409 smiling
396950 solo
1424930 thallium
3 twig
164 vector
89843 visual pun
2329 white background
161370
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