Porosity Research II
Azurite Chrystal.jpg
 

Got several rock samples from a new friend, and did some oil absorption experiments. Most did fairly well. There is two that I am really excited to find out what the are. Stay tuned.........

From left to right: Serpentine, Oregon Thunder Egg, Jasper, Copper, Azurite, Malachite, Citrine and Amethyst/Ametrene

And the winner is............Azurite! With a four day diffusion rate. Close seconds are Malachite and Amethyst