Beautiful twin flame point with etching from Brazil. Starbrary crystals are very rare and contain deep wisdom in their almost brail like surfaces.
You can find more information on starbrary crystals here:
Etching is caused by water during the crystals growth. Etched crystals are full of knowledge and wisdom, you can see the etchings as almost braille. They help you to access information and wisdom for the past to aide in healing.