1.
GemRocks: Obsidian
Mar 23, 2008 ... Iceland agate (or Iceland agate lava) - misnomer sometimes given to a brownish or grayish variety of obsidian from Iceland. ...
2.
LAYERS OF THE ATMOSPHERE
The students will be able to identify the five layers of earth and what the gases are that make our atmosphere. They will get a chance to figure out the ...
3.
GemRocks: Onyx
May 23, 2005 ... A. Onyx cameo. This three layer cameo (greater axis - 3.7 cm), consists -- from ... mother-of-pearl) -- to a black onyx background stone. ...
4.
GemRocks: Onyx
May 23, 2005 ... A. Onyx cameo. This three layer cameo (greater axis - 3.7 cm), consists -- from bottom upwards -- of the black background layer, ...
5.
GemRocks: Obsidian
Mar 23, 2008 ... Chatoyant obsidian - name sometimes applied to varieties that are iridescent in diverse colors; appearance is apparently due to the presence ...
6.
GemRocks: Obsidian
Mar 23, 2008 ... Carving from brecciated obsidian by Gerd Dreher. .... indeed, even today replica arrow heads are made from obsidian for use as pendants or ...
7.
GemRocks: Obsidian
Mar 23, 2008 ... "Star" obsidian (also "starred Apache tear obsidian") - misnomer -- in that no asterism is apparent -- applied in the marketplace to ...
8.
College of Science and Technology :: Central Michigan University
available-positions. gold-arrow. Job Opportunities: College of Science and Technology. www.fps.cmich.edu/jobs/CST.asp ...
9.
GemRocks: Rhyolite
Jul 2, 2005 ... Referred to as Rhyolite by Geologists, Rainforest Jasper is really a Granite that has cooled relatively quickly. ...
10.
GemRocks: Turquoise
Sep 28, 2007 ... Meshed or Meshhed turquoise - name from a place in Iran (formerly ..... Magnesite -- i.e., porcelaneous secondary magnesite concretions ...
