Geodes are called “nature’s jewelboxes” because of the beautiful crystals that can sometimes be found inside these unique, globular quartz bodies. This CD-ROM contains an annotated PowerPoint presentation explaining the current theory about geode formation and how geodes change as they are exposed to weathering.
Shaffer, N. R. 2008, Geodes Birth to Death: Indiana Geological Survey Miscellaneous Item 74
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The Indiana Geological and Water Survey will refund the purchase price and sales tax of products if returned with the original sales receipt within 10 days of receipt of order. Refunds will be issued with the same method of payment as indicated on the original receipt except for cash purchases, which will be refunded by check. Items must be returned in the same condition as purchased. Refunds on digital products and services are not allowed, except for defective media such as CD-ROMs, flash drives, and so on. The customer is responsible for paying shipping costs to return items.