February 19, 2022
Doorway formation falls into the category “Surface Markings”.
It is a formation that is often confused with “Trigon/Trigonic Record Keeper” formation.
- Deeply recessed triangles, squares, or rectangles on a crystal
- Typically only form one or two per face/side
- Doorway into the crystal
- A way to get to know the individual crystal on a deeper level