You have made such an important and useful observations on mineral pyrite and I am shocked to know how it is very useful for medical purposes.
You have made such an important and useful observations on mineral pyrite and I am shocked to know how it is very useful for medical purposes.
I am very pleased to hear that I was able to design my contribution easy to understand and that you were able to learn something new. Clearly one of the interesting properties of minerals as I find, the different effects. Wish you a nice day :)