a photo slideshow screen saver with beautiful photos of a museum gem and mineral exhibit. all photos are 1024x768 high-quality images, taken at the cullen house of gems and minerals in houston's museum of natural history.
ebook for students and practitioners in need of a reference in terms of raw materials: earths, rocks, minerals, oxides. fully illustrated cross-referenced ebook, an attempt to present data on those materials and techniques in an orderly fashion.
