Discover and read the best of Twitter Threads about #MinCup2019

Most recents (10)

I rolled the dice to randomize the #MinCup2020 bracket.

I’m pretty sure my dice hate me. These are both SUCH GOOD MINERALS, and I’m still working on a deadline so can’t thread yet.
We’ve played a few games with #gold.

I played out the consequences of some seriously creepy fiction:

& you thoroughly investigated gold during #YouFindARock:
Read 10 tweets
I promised I’d be nice to #Quartz this #MinCup, although SOME people think it’s mean to point out you can access quartz’s electrical properties by hitting, squishing, or sawing it.

So, fine. Strategy tip. Why not tap existing Steven Universe fans to recruit voters?
The .gif opportunities are amazing considering Amethyst (the purple gem of #Quartz) is a major character.

Here she is getting a helping hand from #MinCup2018’s champion #Garnet:
One of the reoccurring #MinCup2019 arguments is that #Quartz is more stable than #IceMin at surface temperatures.

You’ve got a .gif for that. NO ONE USED IT THE ENTIRE CUP. Come on, it’s in the first handful of “Amethyst Steven Universe” .gifs pre-loaded into the Twitter app!
Read 10 tweets
Ok Moose, are you ready to showcase the #MinCup2019Final contestants for our pocket friends? Plush moose with a notebook with fancy ink lettering spelling out “Mineral Cup 2019”
It’s still only autumn in the Pacific Northwest, but are you looking forward to first snowfall, Moose?

Those delicate #IceMin crystals show up so well on your chocolate brown! Plush moose in a snowbank, dappled in snowflakes
Ahh! Yeah, I know, Moose, you’ve had rather painful experiences with #Quartz.

But try to find a comfy spot so we can grab a pic? Just, uh... maybe pretend it’s a Bed of Nails demo? Plush moose painfully sprawled on an extremely pointy quartz crystal
Read 8 tweets
It’s the #MinCup2019 final match. After a month of arguing about minerals, come vote one more time?

For ice, the most lickable of minerals.
Previously in #MinCup2019, we got into technical definitions, fun physical properties, & how #IceMin can survive in the heart of diamonds:
We also got into how curling is an applied physics exam about using fundamental forces to manipulate the geophysical properties of #IceMin:
Read 3 tweets
#MinCup2019 semifinals at @PMEUBC:

#Quartz: from Arkansas, USA
Amethyst: from Anahi Mine, Bolivia

#Calcite: detailed description of how 12% by mass is atmospheric carbon from 495 million years ago, what that tells us about ancient worlds, & how carbon is captured into crystal Large white hexagonal crystalsLarge purple hexagonal crystalsLarge blob of yellow trapezoidal crystals
If you can’t grow it, you mine it.

I’ve seen plenty of #MinCup2019 arguments that #quartz is in smartphones, but it doesn’t seem like many realize #calcite. Both semifinalists are in your phone display screen.
#Calcite & #quartz are battling it out in the semifinals of #MinCup2019. Quartz took a strong early lead, but calcite is creeping closer.

Quartz has never won despite the entire competition being founded to promote it.

I voted calcite.
Read 3 tweets
Curling is a hilarious & fantastic sport where you modify physical properties of minerals to manipulate momentum.

You need ice, brooms, and a stone. The brooms & stone can be improvised. #IceMin cannot.
Curling started with granite stones on frozen loch, earning its name from the rumbling growl of rock over rough wild ice.

Makes sense to incorporate massive rocks if you’re going to frolic on frozen lakes that house beloved monsters.
Canadians take great delight in claiming curling as ours, dumping phenomenal R&D into developing pub teams into Olympic contenders.

We spend even more time fucking around with not-even-pub-teams with improvised brooms & stones any time we find a big enough patch of #IceMin.
Read 9 tweets
We’re in the semi-finals of #MinCup2019 & I Have Opinions.

This is the year of #ClimateChange, the year we hit the tipping point of enough people caring to finally get to the large-scale hard work.

Our winner has to be ice or #calcite (tomorrow’s semi-finalist). #IceMin
#Olivine is a good mineral, a former 2017 #MinCup champion & one I campaigned for in past years.

It has so many cool quirks, including making green sand (!!). But it already won before.
Every year, people are startled to learn #IceMin is a mineral!

It’s naturally occurring, solid, has definite composition, & a repeating crystalline structure. As long as you find it in the wild, it checks every box.

Want it solid at room temperature? Ice VII trapped in diamond.
Read 5 tweets
SIGH. I still can’t believe I have to say nice things about #Quartz this year.
#Quartz starts with a Q, so you can flip to the end of the stack to find it instead of wading around in the endless C’s hunting for #Chalcopyrite
#Quartz has such inexplicably devoted fans that @MineralCup was invented to make them feel better.

#Chalcopyrite doesn’t inspire that steadfast devotion in the face of years of defeat by other minerals.
Read 8 tweets
Today is a matchup of the industrial minerals.

If you can’t grow it, you need to mine it. You might not notice them, but you encounter these rock-friends several times a day.
#Borax is getting its ass kicked in #MinCup2019.

Poor hon, if only Nuclear Twitter would show up as a single-topic voting block to support the mineral that goes diving with nuclear reactors...

I’m tired & my rocks are still packed in boxes instead of properly organized, so I just licked a bunch of clear mineral sheets to find the gypsum.

I found a lot of salt so here are pix from last year:
Read 3 tweets
Today’s #MinCup2019 is a face off between Very Interesting Properties. A translucent rock on a postcard creating a magnifying optical effect next to a small jar of black sand with a magnet stuck to it
Lots of minerals have neat optical effects, but #Ulexite is a bit different.

Light doesn’t pass straight through, like with #quartz or #halite (salt), nor does it have the birefringence of #calcite. Instead it’s a mineral of natural fibre optic channels transmitting light. Top view of the listed minerals on a postcardSide view of the same scene
#Ulexite grows as a bundle of fibers, each of which totally internally reflects light. It’s the same basic optics behind why diamond is sparkly.
Read 7 tweets

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