#MinCup24 R3M4: #Kyanite versus #Topaz
Blue blades of Kyanite are a classic mineral found in rock shops, introductory geology classrooms, eroded mountains, and geological research laboratories. Topaz is a jeweler’s dream mineral, blending toughness with beauty, and has exceptional clarity, brilliance, and versatility.
VOTE: https://www.mineralcup.org/2024/vote/r3m4
⚒️🧪 geology
#MinCup24 R2M8: #Charoite versus #Topaz
Chaorite is an intensely purple mineral with a fibrous, swirly pattern that’s been compared to Van Gogh’s Starry Night. It forms from contact metamorphism in Siberia.
Topaz is a hard, many-hued gemstone that crystallizes along the fractures in igneous rock, and is mined all over the world. It is pleochroic; i.e. it can appear different colors from different angles.
Time to choose your mineral!
VOTE: https://www.mineralcup.org/2024/vote/r2m8
⚒️🧪 geology
#MinCup24 R1 M16: #Topaz versus #Spodumene
In a battle of the biggest stones, these minerals are ready to rumble.
Topaz forms some of the largest gemstone crystals in the world, famous specimens weighing more than a teenager. The largest crystal of Spodumene ever found is the size of a Right Whale.
Which one will you choose?
