Four days before eid I went to Ipoh which is the northern part of malaysia and went to the geology muzeum. They have a lot of rocks and how system works for example: system of the water processing and how they get it from and which of those minerals that glows in certain lights It has the rock that I wanted to see the most is calcite. Here is the picture of a calcite:
It’s mostly white a cube or cuboid but it can be any shape or colour.
This is an old tree that chopped of. Now they make it flat like this: