Everybody

Collecting quartz is the cheapest way to collect rocks and minerals. Quartz is the most common minerals and can be found almost everywhere in the world.  Pure quartz is colorless or white. When it has colors, it will come in: citrine, amethyst, smoky, white and rose.
The larger the quartz, the more imperfection it has. The [...]

For many crystallized gold is a type of rocks and minerals they want to collect. It’s even rarer than gold.
The bigger and sharper the crystal is, the more value it will have. Crystallized gold occurs in a few location around the world.