7.57ct Bluish Green Tourmaline Crystal Opal Measurement: 107mm x 90mm x

Measurement: 107mm x 90mm x 50mm

so the specimens matrix needs to stay dry for these pyrite cubes to stay in place

Treatment: HeatingMeasurements: 20

The mass itself is black in color

7.57ct Bluish Green Tourmaline Crystal Opal Measurement: 107mm x 90mm xThis beautiful facet grade bluish green tourmaline 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 blue (slightly more greenish than shownin the photos) color with a nice termination. We consider this to be a thumbnail (TN) sized specimen. Measurements: 19. 1mm x 6. 8mm x 5mm Weight: 7. 57 carats Locality: Minas Gerais, Brazil