Mineral Cup & Ore Cup
@mineralcup.bsky.social
Which mineral is the best of them all? Campaign & vote in #MinCup each September. #OreCup starts November 3, 2025! www.MineralCup.org
Kyanite photo credits: Smithsonian Institution
Kyanite photo credits: Smithsonian Institution
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?
Condolences, #Carrollite, but at least cobalt blue is the perfect shade for a calm but disappointed defeat?
November 7, 2025 at 7:20 PM
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?
Condolences, #Carrollite, but at least cobalt blue is the perfect shade for a calm but disappointed defeat?
Congratulations, #Molybdenite, your victory is shining a light to #OreCup R2M1.
Condolences, #Tetrahedrite, you were sharp but just not enough to make the cut.
Condolences, #Tetrahedrite, you were sharp but just not enough to make the cut.
November 5, 2025 at 8:42 PM
Congratulations, #Molybdenite, your victory is shining a light to #OreCup R2M1.
Condolences, #Tetrahedrite, you were sharp but just not enough to make the cut.
Condolences, #Tetrahedrite, you were sharp but just not enough to make the cut.
It's time to make your predictions (and help us test the voting site). Which ore mineral do you think will win?
Bracket: www.mineralcup.org/ore-bracket
Make your predictions: www.mineralcup.org/vote-results...
Competition voting starts on MONDAY NOVEMBER 3!
Bracket: www.mineralcup.org/ore-bracket
Make your predictions: www.mineralcup.org/vote-results...
Competition voting starts on MONDAY NOVEMBER 3!
October 31, 2025 at 4:27 AM
It's time to make your predictions (and help us test the voting site). Which ore mineral do you think will win?
Bracket: www.mineralcup.org/ore-bracket
Make your predictions: www.mineralcup.org/vote-results...
Competition voting starts on MONDAY NOVEMBER 3!
Bracket: www.mineralcup.org/ore-bracket
Make your predictions: www.mineralcup.org/vote-results...
Competition voting starts on MONDAY NOVEMBER 3!
October 24, 2025 at 3:44 PM
October 22, 2025 at 2:12 AM
Why hello, minerals from Cups past!
It’s always fun to see our contenders (and some Champions) at an affordable price tag in local rock shops.
It’s always fun to see our contenders (and some Champions) at an affordable price tag in local rock shops.
October 10, 2025 at 7:09 PM
Why hello, minerals from Cups past!
It’s always fun to see our contenders (and some Champions) at an affordable price tag in local rock shops.
It’s always fun to see our contenders (and some Champions) at an affordable price tag in local rock shops.
Results audited & confirmed.
You have all four of your quarterfinalists!
You have all four of your quarterfinalists!
September 29, 2025 at 12:35 AM
Results audited & confirmed.
You have all four of your quarterfinalists!
You have all four of your quarterfinalists!
We keep imagining them sneaking pebbles into ballot boxes during actual elections. It’d make just as much sense!
September 28, 2025 at 6:06 AM
We keep imagining them sneaking pebbles into ballot boxes during actual elections. It’d make just as much sense!
It might not be the same! But if it’s not, they’re definitely kin as they’re from the same location and both in the Smithsonian collection.
I should ask our photographer if they raid the display cases when doing match photos
I should ask our photographer if they raid the display cases when doing match photos
September 6, 2025 at 1:17 AM
It might not be the same! But if it’s not, they’re definitely kin as they’re from the same location and both in the Smithsonian collection.
I should ask our photographer if they raid the display cases when doing match photos
I should ask our photographer if they raid the display cases when doing match photos
Was it quietly grinding on your soul that the #MinCup25 bracket was off-center and oh-so-slightly asymmetrical? We fixed it!
No changes to the matchups, it’s just a lil bit more polished.
No changes to the matchups, it’s just a lil bit more polished.
August 30, 2025 at 8:56 PM
Was it quietly grinding on your soul that the #MinCup25 bracket was off-center and oh-so-slightly asymmetrical? We fixed it!
No changes to the matchups, it’s just a lil bit more polished.
No changes to the matchups, it’s just a lil bit more polished.
Behold, the #MinCup35 bracket!
Use it to follow along, plan campaigns to support your favs, or make predictions on how voting will shake out. We start at the top left on September 1st, then alternate left and right as we work our way down.
Use it to follow along, plan campaigns to support your favs, or make predictions on how voting will shake out. We start at the top left on September 1st, then alternate left and right as we work our way down.
August 29, 2025 at 8:12 PM
Behold, the #MinCup35 bracket!
Use it to follow along, plan campaigns to support your favs, or make predictions on how voting will shake out. We start at the top left on September 1st, then alternate left and right as we work our way down.
Use it to follow along, plan campaigns to support your favs, or make predictions on how voting will shake out. We start at the top left on September 1st, then alternate left and right as we work our way down.
#MinCup24
⚒️🧪🖖🏼 geology #WomenInStem
After a hard-fought, record-breaking battle, the winner of Mineral Cup 2024 is Rhodochrosite! The light-hearted campaign brought home the bacon, and it couldn’t have been more tasty. Kudos to #TeamKyanite; well done! More to follow this post.
⚒️🧪🖖🏼 geology #WomenInStem
After a hard-fought, record-breaking battle, the winner of Mineral Cup 2024 is Rhodochrosite! The light-hearted campaign brought home the bacon, and it couldn’t have been more tasty. Kudos to #TeamKyanite; well done! More to follow this post.
October 2, 2024 at 5:03 AM
#MinCup24
⚒️🧪🖖🏼 geology #WomenInStem
After a hard-fought, record-breaking battle, the winner of Mineral Cup 2024 is Rhodochrosite! The light-hearted campaign brought home the bacon, and it couldn’t have been more tasty. Kudos to #TeamKyanite; well done! More to follow this post.
⚒️🧪🖖🏼 geology #WomenInStem
After a hard-fought, record-breaking battle, the winner of Mineral Cup 2024 is Rhodochrosite! The light-hearted campaign brought home the bacon, and it couldn’t have been more tasty. Kudos to #TeamKyanite; well done! More to follow this post.
Go to your moderation settings. Click the discourage apps button to the right.
October 1, 2024 at 8:00 PM
Go to your moderation settings. Click the discourage apps button to the right.
#MinCup24
⚒️🧪geology
Congratulations, #Rhodochrosite. Your blush won us over. Farewell #Perovskite. Next year may find less resistance.
⚒️🧪geology
Congratulations, #Rhodochrosite. Your blush won us over. Farewell #Perovskite. Next year may find less resistance.
September 30, 2024 at 5:02 AM
#MinCup24
⚒️🧪geology
Congratulations, #Rhodochrosite. Your blush won us over. Farewell #Perovskite. Next year may find less resistance.
⚒️🧪geology
Congratulations, #Rhodochrosite. Your blush won us over. Farewell #Perovskite. Next year may find less resistance.
It’s under your Moderation settings. Down at the bottom there is a Logged out visibility. Click the slider to the right.
September 30, 2024 at 2:59 AM
It’s under your Moderation settings. Down at the bottom there is a Logged out visibility. Click the slider to the right.
It’s under moderation tools in your settings. Down at the bottom is Logged out visibility. Click the slider to the right.
September 30, 2024 at 2:57 AM
It’s under moderation tools in your settings. Down at the bottom is Logged out visibility. Click the slider to the right.
If you have a menu option for Moderation in your settings, the option to allow visibility to logged out users should be at the bottom of that.
September 29, 2024 at 1:34 PM
If you have a menu option for Moderation in your settings, the option to allow visibility to logged out users should be at the bottom of that.
#MinCup24
⚒️🧪geology
Congratulations, #Rhodochrosite. Your meat-rock spirit won the day. Farewell #Calcite. We know your effervescence will be bubble back again.
⚒️🧪geology
Congratulations, #Rhodochrosite. Your meat-rock spirit won the day. Farewell #Calcite. We know your effervescence will be bubble back again.
September 28, 2024 at 5:14 AM
#MinCup24
⚒️🧪geology
Congratulations, #Rhodochrosite. Your meat-rock spirit won the day. Farewell #Calcite. We know your effervescence will be bubble back again.
⚒️🧪geology
Congratulations, #Rhodochrosite. Your meat-rock spirit won the day. Farewell #Calcite. We know your effervescence will be bubble back again.
#MinCup24
⚒️🧪geology
Congratulations, #Dioptase Your exotic desert beauty and rich emerald green have clinched the win. Farewell #Wavellite. We await the return of the charming kiwi mineral next year.
⚒️🧪geology
Congratulations, #Dioptase Your exotic desert beauty and rich emerald green have clinched the win. Farewell #Wavellite. We await the return of the charming kiwi mineral next year.
September 27, 2024 at 5:01 AM
#MinCup24
⚒️🧪geology
Congratulations, #Dioptase Your exotic desert beauty and rich emerald green have clinched the win. Farewell #Wavellite. We await the return of the charming kiwi mineral next year.
⚒️🧪geology
Congratulations, #Dioptase Your exotic desert beauty and rich emerald green have clinched the win. Farewell #Wavellite. We await the return of the charming kiwi mineral next year.
#MinCup24
⚒️🧪 geology
Congratulations, #Perovskite. We couldn’t resist your Borg-like cubes. Farewell #Stibnite. Your wicked metallic blades shall retain their edge for next year.
⚒️🧪 geology
Congratulations, #Perovskite. We couldn’t resist your Borg-like cubes. Farewell #Stibnite. Your wicked metallic blades shall retain their edge for next year.
September 26, 2024 at 5:08 AM
#MinCup24
⚒️🧪 geology
Congratulations, #Perovskite. We couldn’t resist your Borg-like cubes. Farewell #Stibnite. Your wicked metallic blades shall retain their edge for next year.
⚒️🧪 geology
Congratulations, #Perovskite. We couldn’t resist your Borg-like cubes. Farewell #Stibnite. Your wicked metallic blades shall retain their edge for next year.