Make sure to read the many new observations and experiments performed throughout the Universal Model that demonstrate the conditions and circumstances which formed these geological Specimens.
The experiments listed below can be located by their figure number in the Universal Model Volume I and help us understand how the specimens were and were not made.
Actual Melted Rocks Fig 5.7.9
Quartz Growth Process Fig 7.4.13
Sandstone Formation Fig 8.5.19