Trulove, Susan2015-10-292015-10-292006-10-19http://hdl.handle.net/10919/59740Based on the lovely green rock, olivine, also known as the gemstone, peridot, a Virginia Tech graduate student has created a mineral lifetime diagram that provides a clue to when and for how long there might have been water on Mars.In CopyrightCollege of SciencePress releaseVirginia Tech. University Relations