Difference between revisions of "Geode"
Jump to navigation
Jump to search
(new entry) |
m |
||
| Line 3: | Line 3: | ||
=Sources= | =Sources= | ||
*Chesterman, Charles W. ''The Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf: New York (1987) | *Chesterman, Charles W. ''The Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf: New York (1987) | ||
| + | |||
| + | [[Category:Geology]] | ||
Revision as of 07:38, April 22, 2007
A geode mineral aggregate is a rounded, hollow nodule, lined with crystals, usually quartz or calcite. Amethyst is an example of a mineral exhibiting a geode form. Chesterman, p. 40
Sources
- Chesterman, Charles W. The Audubon Society Field Guide to North American Rocks and Minerals, Alfred A. Knopf: New York (1987)