<div spellcheck=false><div>C. Nelson Stewart wrote about occult mineralogy and Baron Edward Bulwer-Litton's interest in the occult. The Gem-Stones of the Seven Rays Stewart states: To the ceremonialist and student of magic precious stones are especially valuable as wave-meters transmitting specialized psychic qualities and this little book groups some forty-seven mineral species and varieties under the Seven Rays [of life].</div></div>