Dark jewels: Zoe Bios Creative presents “Calla Lillies with Cabbage,” a photographic still life. www.zoebioscreative.com “Nerite,” a photograph by Cynthia Holling-Morris, captures the intrinsic beauty of snail shells. www.hg-arts.com A photograph of a geode is hand-painted and finished with bright gold leaf in “Geodes: Black & White 1.” From Natural Curiosities. www.naturalcuriosities.com “Ballet Oceanique Noir” is a limited-edition photographic print by Miami photographer Iran Issa-Khan. www.samrobin.com “Succulent IV” is one in a series of photographic prints from Bad Dog Editions. www.baddogeditions.com Snap! The photographer’s eye captures the essence of nature.