RB PETRIFIED WOOD CHALCOCITE COPPER REPLACED TX FOSSILS

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  • Item Category: Antiquities
  • Source: eBay
  • Sold Date: Jan 26, 2008
  • Channel: Auction House

Petrified Wood replaced by Copper (Chalcocite) - Location: West Central Texas. This is from a Permian formation. This is a very unique specimen of petrified wood that has been replaced by the copper mineral chalcocite. This type of wood is very rare and unusual. The interior chalcocite is a black color but t is a greenish and/or bluish color on the surface which is from a surface coating of malachite and/or azurite.
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Specimen Dimensions
Specimen size categories for each specimen are listed with the specimen description.
Actual measured specimen dimensions are included on the photograph.
T is a basic specimen dimension standard that is accepted and used by mineral collectors:
Thumbnail - Thumbnail specimens must fit completely inside an "imaginary" 1 inch cube. In our ebay titles look for "-THN".
Miniature - Miniature specimens must fit completely inside an "imaginary" 2 inch cube. In our ebay titles look for "-MIN".
Small Cabinet - Small cabinet specimens must fit completely inside an "imaginary" 3 inch cube. In our ebay titles look for "-SCB".
Cabinet - Cabinet specimens are those larger than 3 inches (too large for a 3 inch cube). In our ebay titles look for "-CAB".
$ 3.99
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