This is a map showing the orientation of diopside in a deformed symplectite. This used to be an omphacite, which tells us that the rock used to be at very high pressure (great depth). ⚒️🧪

If you want to read more about how such symplectites nucleate and deform:

https://link.springer.com/article/10.1007/s00410-024-02125-0