Java Software is required for this
animation. If the animation does not automatically play within
a few seconds the software can be downloaded by clicking the
button below and proceding to the download now area.
A still image of the animation
is provided at the top of this column for those who do not
want to download the software.
is a microcrystalline
variety of quartz
with other minerals accounting
for the colors and appearance.
is usually multicolored, striped, spotted or marbled.
Jasper has a trigonal