(MGW) MEXICAN GEODES 10 CTS FP 489

Item Description Pictures Bidding History Comments

About This Auction		About This Seller: mineralgemworld
Minimum Bid (USD)		Feedback Rating	99.79% Positive
Current Bid (USD)	0.00	Member Since	September 1, 2007 in Australia
Bid Increment	1.00	View feedback Send seller message View 2573 other auctions from this seller More about this seller
Bids Placed	0
Starting Bid (USD)	12.00
Reserve Price (USD)	none
Starts	October 4, 2008 4:45 PM
Ends	October 9, 2008 4:37 PM	Basic Shipping Information
Auction Category	Mineral Specimens	Shipping Cost	3.00 paid by buyer
Auction ID	9587	Shipping Insurance (optional)	7.00
Ends in 1 day 18 hours 54 minutes
* note for every bid placed in the last 5 minutes the auction end time increases by 60 seconds - refresh page to update

Gallery

* Hint: Click on the thumbnails above to see the full sized version. Images are of the actual item unless otherwise indicated.

Description

MEXICAN GEODES

GEODES ARE ESSENTIALLY ROCK CAVITIES OR VUGS WITH INTERNAL CRYSTALFORAMTIONS OR CONCENTRIC BANDING. THIS SPECIMEN WAS MINED AT ZACATECAS MEXICO. THE EXTERIOR OF THE MOST COMMON GEODES IS GENERALLY LIMESTONE OR A RELATED ROCK, WHILE THE INTERIOR CONTAINS QUARTZ CRYSTALS AND/OR CHALCEDONY DEPOSITS. OTHER GEODES ARE COMPLETELY FILLED WITH CRYSTAL, BEING SOLID ALL THE WAY THROUGH. THESE TYPES OD GEODES ARE CALLED NODULES. THIS SPECIMEN SHOWS GREAT FORMATIONS.

SIZE: 19 X 15 X 5 MM APPROX.

WEIGHT: 10 CTS APPROX.