, 5 tweets, 4 min read Read on Twitter
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.
I’ve threaded about ice several times this month.

This one involves impatient swearing about rocks:
I was going to pop off QTs to key arguments being made by others on why #IceMin is a champion of rocks, but honestly?

Browser the hashtag.
I learned 3 new things in under 5 minutes. Ice shapes landscapes, tracks climate, erupts on icy moons, & whispers secrets of distant worlds.
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