VARIETY INFORMATION:
Jasper is a colorful variety of chalcedony (cryptocrystalline quartz). The name "jasper" means "spotted or speckled stone." It is a fine-grained quartz whose crystals are too small to see. Jasper may be the result of metamorphic processes on quartz deposits, as the different colors often show flow patterns. Picture jasper is a variety whose scenes (a human interpretation of the patterns resulting from multiple colors preserved in the specimen) are appealing, often reminiscent of sunsets or distant mountains.
Jasper is only one of several chalcedony (cryptocrystalline quartz) varieties. The primary varieties are as follows:
|
Rockhound, |
is Steve's pro-humanity, pro-space, pro-future blog,
and a forum to discuss his talks at the International Space Development Conference (sponsored by the
National Space Society).
|
You can make a difference!
Help President Obama, NASA, and
the people of Earth. See theApophis Challenge for solutions to: - Global Warming - Global Energy - Man in Space - Preventing the next Extinction Level Event |