38.8 MB (39.0 MB compressed)
4252 x 3189 pixels
36.1 x 26.9 cm ⏐ 14.2 x 10.6 in (300dpi)
HERVE CONGE, ISM / SCIENCE PHOTO LIBRARY HERVE CONGE, ISM / SCIENCE PHOTO LIBRARY
Quartz crystals. Quartz (silicon dioxide) is the most abundant mineral in the Earth's continental crust. It is made up of a lattice of silica (SiO2) tetrahedra, and forms hexagonal crystals, as seen here.
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