About Xianle Jin

I'm Xianle Jin. I'm an MBA student, and before that I worked in consulting. This site began with a simple question: what is the world made of, and who gets it out of the ground?

The elements behind everyday things

A phone, a wind turbine, a jet engine and a fertilizer bag all come down to a few dozen elements from the periodic table. Most of us never think about them. I find it hard to stop once I start: why one element sits in a mine in one country and is refined in another, why some elements are named after a village, a planet or a goddess, what a plain-looking mineral like barite is actually for. Every fact sheet here starts with the element itself, its place in the table, and a photo of the mineral, because that is where my curiosity starts.

From the element to the map

Then I follow the material outward: who mines it, who turns it into something usable, which countries depend on which, and what governments have done about it. Those questions sit where geology, trade and policy meet, and the answers are often surprising. Refining turns out to matter as much as mining. A single country can hold most of a stage.

How I like to look into things

Consulting taught me to ask what decision a number is for and to be exact about what it does and does not say. The MBA adds strategy, operations and policy. So here, every claim links to a government or primary page and quotes it word for word, gaps are shown as gaps, and where two sources disagree the page says so. I use free sources only, and AI only as a labeled assistant that has to show its evidence.

Still wondering

I'd like to understand more about the minerals the data hardly covers (arsenic, cesium, rubidium and the heavier rare earths), how a mine's output turns into a finished product, and which public money ends up as a working plant. If you know the answer to any of these, or have a favourite element, I'd like to hear it.

Feedback is welcome

Tell me what is unclear, what is missing, which source to add, or what you would draw differently. Corrections to any fact are especially welcome; each one has a source to check against.