GSA's MGPV Division
banner
gsa-mgpv-division.bsky.social
GSA's MGPV Division
@gsa-mgpv-division.bsky.social
Official Bluesky account of the Mineralogy, Geochemistry,
Petrology, & Volcanology (MGPV) Division of @geosociety.bsky.social‬. Follow us for the latest Division info.
#MinCup25 Quarterfinal 2 - ☀️ #Perovskite vs 🌸 #Tugtupite. A mineral empowering solar cells (and found in the rain in brown dwarf stars!) faces the vivid pink tenebrescent, fluorescent, and phosphorescent feldspathoid.

#minerals #mineralogy
September 26, 2025 at 2:39 PM
#MinCup25 Quarterfinal 1: 🔷 #Haüyne vs 🩸 #Hematite. A fluorescent feldspathoid of brilliant blues meets the iron oxide that contributes to the iconic red color of Mars.

#minerals #mineralogy
September 25, 2025 at 12:59 PM
#MinCup25 Round 2 Match 8 - ☢️ #Cuprosklodowskite vs 🖤 #Mannardite. A bright green uranium silicate named to honour Marie Sklodowska Curie vs the jet black barium-titanium-vanadium oxide.

#minerals #mineralogy
September 24, 2025 at 2:02 PM
#MinCup25 Round 2 Match 7: 💙 #Kyanite vs ☄️ #Taenite. A metamorphic aluminosilicate meets a meteoritic Fe–Ni alloy.

#minerals #mineralogy
September 23, 2025 at 2:37 PM
#MinCup25 Round 2 Match 3: ⚖️ #Baryte vs 🩸 #Hematite. The heavyweight sulfate meets the iron oxide red.

#minerals #mineralogy
September 19, 2025 at 2:36 PM
#MinCup25 Round 2 Match 1 - 🌊 #Pectolite, which forms in hydrothermal cavities in basalt, versus 🌀 #häuyne, the fluorescent feldspathoid.

#minerals #mineralogy
September 17, 2025 at 10:36 AM
#MinCup25 Round 1 Match 16: ❇️ #Paddlewheelite vs ◼️ #mannardite. An unusually complex carbonate vs a mineral sometimes mined as a vanadium ore.

#minerals #mineralogy
September 16, 2025 at 12:39 PM
#MinCup25 Round 1, Match 15: 💫 #Taenite vs 🌍 #Nontronite. An iron-nickel meteorite alloy meets an iron-rich clay mineral.

#minerals #mineralogy
September 15, 2025 at 2:43 PM
#MinCup25 Round 1 Match 13: 💎 #Topaz, a prized aluminosilicate gem, takes on 💙 #Kyanite, the blue indicator of metamorphism.

#minerals #mineralogy
September 13, 2025 at 3:07 PM
#MinCup25 Round 1 Match 12: 🔺 #Zunyite vs ⚙️ #Molybdenite. A rare aluminosilicate meets the chief molybdenum ore.

#minerals #mineralogy
September 12, 2025 at 2:12 PM
#MinCup23 Round 1 Match 11: 🔶 #Titanite, with its versatile uses, vs ◼️ #Thortveitite, the rare scandium silicate.

#minerals #mineralogy
September 11, 2025 at 12:59 PM
#MinCup25 Round 1 Match 10: It is a battle of hydrated minerals today 💦

🥝 #Wavellite, the phosphate with radial clusters, vs 💚 #Dioptase, the emerald-green copper silicate.

#minerals #mineralogy
September 10, 2025 at 1:36 PM
#MinCup25 Round 1 Match 9: ❇️ #Kosmochlor vs 🔷 #Azurite - a rare chromium-rich pyroxene meets a classic copper carbonate.

#mineralogy #minerals
September 9, 2025 at 1:52 PM
#MinCup25 Round 1 Match 8: ⚪ #Pollucite vs 🌸 #Tugtupite - a rare cesium silicate meets a vibrant feldspathoid.

#mineralogy #minerals
September 8, 2025 at 2:07 PM
#MinCup25 Round 1, Match 5: 🥈 #Silver vs ⚖️ #Baryte. Precious metal or heavyweight sulfate. Who gets your vote?

#mineralogy #minerals
September 5, 2025 at 3:50 PM
Round 1, Match 4 of #MinCup25 - #Calcite, the versatile carbonate 🌊, meets #Perovskite, the structure shaping solar tech 😎. Which side are you on?

#mineralogy #geology
September 4, 2025 at 1:34 PM
It is #MinCup25! Round 1 Match 3: It is blue vs bluer, #Haüyne vs #Jeremejevite. Which one gets your vote?

#mineralogy @geosociety.bsky.social
September 3, 2025 at 5:18 PM