What you are describing can be more than a few different materials, so a non-scientific (testing) evaluation would be difficult.
If the crux of your concern is if the material IS asbestos, then that is something which can be answered.
As an installed material, asbestos is not harmful.
When the asbestos is disturbed (construction, removal, etc.), then they become a problem as the fibers get into your lungs.
Dormant or untouched, asbestos should be of no large concern.