For sale: Natural green agate stone (Natural Agate Chalcedony) with an examination report from MT Gemological Laboratories. Specifications: * Type: Natural Agate (Natural Agate Chalcedony) * Weight: 18.737 carats * Shape: Oval Cabochon * Color: Dark green * Dimensions: 21.43 × 15.82 × 6.76 mm * Condition: Excellent * Report: Available and can be verified electronically via the report number