12.66ct Bi-Color Double Tourmaline Crystal zacatecas mexico Two contrasting greens show differently

Two contrasting greens show differently on each side of this beautiful malachite specimen

Measurement: 229mm x 119mm x 101mm

*This particular opal does need to be stored moist to keep it from crazing

This beautiful deep blue lapis lazuli has an amazing solid color front and back

12.66ct Bi-Color Double Tourmaline Crystal zacatecas mexico Two contrasting greens show differentlyThis beautiful crystal is perfect as a display specimen or even for a unique center piece in a piece of jewelry! It has an amazing gemmy green with a light pink termination, with a beautiful second termination on the side. We consider this to be a thumbnail (TN) sized specimen. Measurements: 28mm x 8. 3mm x 5. 5mm Weight: 12. 66 carats Locality: Cruzeiro Mine, Minas Gerais, Brazil