Craig Johnson
@bowtiediene.bsky.social
Chemistry & physics teacher, dad, hiker, GM. I love discussing science education and grading reform. Opinions are my own. (he/him)
Kyanite is blue, anisotropic, and hypnotic. Let's see it make it to the finals!
Vote but once: www.mineralcup.org/2025/vote/r4...
Vote but once: www.mineralcup.org/2025/vote/r4...
September 29, 2025 at 12:41 AM
Kyanite is blue, anisotropic, and hypnotic. Let's see it make it to the finals!
Vote but once: www.mineralcup.org/2025/vote/r4...
Vote but once: www.mineralcup.org/2025/vote/r4...