#MinCup23 Quarter-final 3:
Will you dribble acid on bubbly #Calcite or test for directional hardness scratching #Kyanite? Both can't wait to whisper stories of their past, but only one will tell its tale in the semi-finals!

Vote:
https://www.mineralcup.org/2023/campaigns/round-3-match-3

Results:
https://www.mineralcup.org/results/round-3-match-3