correction evaluation

Landscapes of Polarization Microscopy

When oriented molecules such as crystalline chemicals are placed between two polarizing filters, the crystals exhibit amazing colored landscapes or subtle patterns. Shown approximately 10 to 50 times actual size, the chemicals on this page were photographed between "crossed" polarizing filters.

https://www.cellsalive.com/crystals.htm

video 10'11 : 22 Mar 2022

This is the best and easiest way to inlay crushed stones like lapis and opal into rings. This method could also be used to inlay into wood or other flat surfaces as well: https://youtu.be/qYMzNv_eY3Y

How to make natural pigments from foraged raw resources : https://www.lostincolours.com/foraging-for-pigments-from-local-rocks/