While blue kyanite is used in jewelry, porcelain & pottery glazes, plus gets physics points as an index mineral, it’s the extraordinary ‘reindeer blood’ tenebrescent, & phosphorescent tugtupite “King of Fluorescent Minerals” which is also a gem, gaining both art and physics points for me. #MinCup25

Vote tugtupite in the Mineral Cup 2025 finale here:

https://www.mineralcup.org/2025/vote/r5m01

#scicomm #EarthSci #minerals #tugtupite

While blue kyanite is used in jewelry, porcelain & pottery glazes, plus gets physics points as an index mineral, it’s the extraordinary ‘reindeer blood’ tenebrescent, & phosphorescent tugtupite “King of Fluorescent Minerals” which is also a gem, gaining both art and physics points for me. #MinCup25

Vote tugtupite in the Mineral Cup 2025 finale here:

https://www.mineralcup.org/2025/vote/r5m01

#scicomm #EarthSci #minerals #tugtupite

2 hours left in #MinCup25 QF2 and the vote flipped so #tugtupite has a narrow lead over #perovskite. This match can go either way and every vote matters!

With 4 hours left to vote the #MinCup25 QF2, #perovskite is leading by 53 votes over #tugtupite. Your campaigning and recruiting of new voters will decide this match!

#MinCup25 Quarterfinal 2: It's #perovskite and its intriguing structure against #tugtupite's collection of optical tricks for this quarterfinal match!

Vote: https://www.mineralcup.org/2025/vote/r3m02
Results: https://www.mineralcup.org/2025/results/r3m02