A note on calendar dates. The earliest times for which we have archaeological and historical evidences are those of Babylon and its empire. The Babylonians, or an earlier civilization, noted that the Sun took 360 days to complete its cycle; this has always been known as the “solar year” but today we view this as the time taken for the Earth to orbit the Sun. The Babylonians divided this orbit, the circle, into 360 degrees, one for each day.
The Mineral Book is a part of the best-selling Wonders of Creation Series!
It has been developed for multi-level teaching, with special
color-coding on three skill levels. This educational resource is filled