
I recently started to explore geology sediments as a hobby prospector to learn what is in the world around us and what is in my local rivers. As a result I have been looking for a simple and inexpensive system for metal separation from soils.
Which led me to

So I have these questions Remember I am very new to this.

Could the airflow and waterflow be adjusted to suck up particles of different weight?
What size of pump would experienced airlift users recommend?
How large have particles (weight) been picked or vacuumed up? Keep in mind I will be using for particles 1/8 inch to microdust 60 mesh
Are their formulas available somewhere that I could be pointed to regarding air lift pumps?
Thank you for taking the time to read this post, I look forward to learning more about airlift pumping.