#Bornite, also known as peacock ore, is a sulfide mineral with chemical composition Cu5FeS4 that crystallizes in the orthorhombic system (pseudo-cubic). It is an important copper ore
Vote in Semifinals Match 2 — Mineral Cup & Ore Cup

Vote in Molybdenite vs Bornite Credit: Jyrki Autio and Kelly Nash

Mineral Cup & Ore Cup
Vote in Semifinals Match 2 — Mineral Cup & Ore Cup

Vote in Molybdenite vs Bornite Credit: Jyrki Autio and Kelly Nash

Mineral Cup & Ore Cup

#OreCup R2M2 #Molybdenite vs #Bornite: Are you supporting the only molybdenum (and rhenium) ore, or the hefty copper sulphide?

vote: https://www.mineralcup.org/vote-results/vote-r2m2
results: https://www.mineralcup.org/vote-results/results-r2m2

Vote in Semifinals Match 2 — Mineral Cup & Ore Cup

Vote in Molybdenite vs Bornite Credit: Jyrki Autio and Kelly Nash

Mineral Cup & Ore Cup

#OreCup R2M2: Silver hexagons for alloys & lubricants, or rainbow patches for copper wires & parts? It’s #Molybdenite vs #Bornite for which ore mineral moves to the final round.

vote: https://www.mineralcup.org/vote-results/vote-r2m2
results: https://www.mineralcup.org/vote-results/results-r2m2

Vote in Semifinals Match 2 — Mineral Cup & Ore Cup

Vote in Molybdenite vs Bornite Credit: Jyrki Autio and Kelly Nash

Mineral Cup & Ore Cup

#OreCup is in the final stretch! Are you supporting the only molybdenum (and rhenium) ore #Molybdenite, or the hefty copper sulphide with the rainbow sheen #Bornite?

vote: https://www.mineralcup.org/vote-results/vote-r2m2
results: https://www.mineralcup.org/vote-results/results-r2m2

Vote in Semifinals Match 2 — Mineral Cup & Ore Cup

Vote in Molybdenite vs Bornite Credit: Jyrki Autio and Kelly Nash

Mineral Cup & Ore Cup

#OreCup semifinals are close with lots of flips & a tight margin so far!

It's slippery, silvery #Molybdenite vs peacock rock #Bornite!

vote: https://www.mineralcup.org/vote-results/vote-r2m2
results: https://www.mineralcup.org/vote-results/results-r2m2

Vote in Semifinals Match 2 — Mineral Cup & Ore Cup

Vote in Molybdenite vs Bornite Credit: Jyrki Autio and Kelly Nash

Mineral Cup & Ore Cup

#OreCup R2M2: It's slippery and silvery #Molybdenite vs peacock rock #Bornite! Are you supporting the only molybdenum (and rhenium) ore, or the hefty copper sulphide?

vote: https://www.mineralcup.org/vote-results/vote-r2m2
results: https://www.mineralcup.org/vote-results/results-r2m2

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?

Vote in Round 1 Match 4 — Mineral Cup & Ore Cup

Vote in Carrollite vs Bornite Credit: and Charlie Smith and Harold Moritz

Mineral Cup & Ore Cup