Jasper is the opaque branch of the chalcedony family—microcrystalline quartz colored by iron and other minerals, shaped by volcanoes, sediments, and time. Learn the science behind jasper, how it differs from agate and chert, and explore famous types—from Picture Jasper to Mookaite—plus buying tips, ethics, and care for collectors and designers.
Trinitite is the green glass born when the 1945 Trinity nuclear test fused desert sand. This history-rich guide explains how the fireball melted and rained back sand, what makes green vs. red trinitite, the temperatures reached, which isotopes remain, the 2021 quasicrystal discovery, and why collecting at Trinity is illegal.
Lattice Agate from Mexico reveals nature’s hidden geometry — fine cross-woven bands of chalcedony forming natural grids in red, cream, and black. Learn the science, origins, and meaning of this rare agate, born in volcanic flows and celebrated for its structure and harmony. A true masterpiece of pattern and patience.
