After trailing in the first half, hefty #Bornite pulled off a peacock strut to secure victory by a 10% margin. Congratulations!

Condolences, #Carrollite, but at least cobalt blue is the perfect shade for a calm but disappointed defeat?

Last call to vote in #OreCup R1M4 #Carrollite vs #Bornite:

vote: https://www.mineralcup.org/vote-results/vote-r1m4
results: https://www.mineralcup.org/vote-results/results-r1m4

Only a few hours left to vote in #OreCup R1M4 #Carrollite vs #Bornite!

vote: https://www.mineralcup.org/vote-results/vote-r1m4
results: https://www.mineralcup.org/vote-results/results-r1m4

#OreCup closes out round 1 with cobalt ore #Carrollite vs copper-laden #Bornite. Which will you pick?

vote: https://www.mineralcup.org/vote-results/vote-r1m4
results: https://www.mineralcup.org/vote-results/results-r1m4

#Carrollite from Congo at the Tucson show #OreCup #MineralMonday

https://mastodon.social/@MineralCup/115501699001878488

#Carrollite from Congo at the Tucson show #OreCup #MineralMonday

RE: https://bsky.app/profile/did:plc:r6drdfmf5fzdtvuacnfmfiga/post/3m4x3wsagjd2e

#OreCup R1M4: It’s a pair of copper ores from hydrothermal veins for cobalt-rich #Carrollite vs peacock rock #Bornite.

vote: https://www.mineralcup.org/vote-results/vote-r1m4
results: https://www.mineralcup.org/vote-results/results-r1m4

#OreCup R1M4: Will you be entranced by #Carrollite’s octahedral crystals and cobalt ore? Or will the rainbows of peacock rock and its heftier copper content lure you to #Bornite?

vote: https://www.mineralcup.org/vote-results/vote-r1m4
results: https://www.mineralcup.org/vote-results/results-r1m4

#OreCup R1M4: Take your pick of copper + cobalt #Carrollite vs copper + rainbows #Bornite!

vote: https://www.mineralcup.org/vote-results/vote-r1m4
results: https://www.mineralcup.org/vote-results/results-r1m4

Nice article on the type locality of #carrollite : Carroll County, Maryland and the Patapsco Mine.

https://jamesrada.com/carrollite-the-mineral-once-found-only-in-carroll-county/

#OreCup #OreCup25 #MinCup25 #Maryland #Sykesville #Cobalt

Octahedral crystals, polysynthetic twinning striations, super conductivity, and iridescent sheen? Yes, please. #carrollite #MinCup25 ⚒️ sci-fi 🧪 🖖🏼 scifi Geosciences #WomenInSTEM geology 🔭🪐

RE: https://bsky.app/profile/did:plc:r6drdfmf5fzdtvuacnfmfiga/post/3m4wb4ijt4i2y

#OreCup R1M4: This match is coming hot from a hydrothermal vein as #Carrollite competes with #Bornite. Both are copper ores with a beautiful tarnish. You have 24 hours to decide!

vote: https://www.mineralcup.org/vote-results/vote-r1m4
results: https://www.mineralcup.org/vote-results/results-r1m4