Kasiya's rutile surpassed the requirements for TiO2 grade, low or no deleterious elements, low radiation value, ... ENVIRONMENTAL EXPLORATION FERROUS METALS FLUORSPAR GEMSTONES GOLD GRAPHITE.

Another point to note is that natural rubies or emeralds are hardly ever “clean”, which is to say that they almost always have inclusions – patches of fine criss-crossing rutile needles ...

For instance, his photo of ferrous staining in quartz may remind viewers of mountains on Mars, and an image of titanium-based rutile in quartz brings to mind caves from Henry Levin's 1959 film ...