About us

There's a particular kind of person who picks up a stone on the side of the road and can't just keep walking.

They turn it over in their hands. They check the luster. They scratch it against something harder. Maybe they're already thinking about the exact science of it like where it formed, how deep, under what pressure, and how many millions of years it took to get from the earth's crust to the palm of their hand on an ordinary Tuesday.

Or maybe they don't even know the name of it yet. They just know it's a damn cool rock, so they slip it into their pocket to add to the growing collection on their desk, their windowsill, or their nightstand.

If you know that feeling, ISOMORPH was made for you.

We're a couple who both loves earth science. Between us, more hours in the field than we can count — reading outcrops, logging core, identifying hand specimens by instinct. Geology isn't what we do. It's how we see the world. Every road cut is a cross-section. Every cliff face is a timeline. Every crystal a record of conditions that no longer exist anywhere on Earth.

What bothered us — for years, quietly — was that nothing in our wardrobes reflected any of that. Everything out there was puns, cartoon crystals, or "Geology Rocks" in Comic Sans. Merchandise that treated one of the most rigorous sciences on Earth like a novelty gift.

So we made our own.

ISOMORPH is built on one principle: if the mineral's name is on the shirt, every other detail has to be there too. The chemical formula. The Mohs hardness. The mineral group. The crystal habit. The luster. Verified against published mineralogy — not guessed. Designed to be aesthetic and wearable, not just geology made into a joke.

Each design features a carefully hand-rendered watercolour art illustration from real mineral references. 

We make one tee per mineral. We go deep on each one. We're not trying to cover everything at once — we're building a catalog the way a serious collector builds a collection. Carefully. One specimen at a time.

ISOMORPH is for the geologist who still feels a quiet thrill at the sight of a fresh core sample, or for the one who carried a rock specimen all the way down from a mountain summit because leaving it behind was never an option. For the student who chose geology because it made everything else make sense. For the collector with more specimens than shelf space. For the one who took mining, petroleum, or earth sciences out of genuine curiosity — because what's beneath the surface has always mattered more than what's on it.

For anyone who has ever looked at the ground and seen something most people walk straight past.

This is just what you should wear while you're looking.