CON107FF Condor Agate Specimen From Australia The chemical formula for Black

The chemical formula for Black Tourmaline is NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

This polished Coyamito Agate specimen features a distinct flow channel and a small quartz center surrounded by banded agate in shades of pink

The great variety makes it an excellent addition to any collection

The chemical formula for kyanite is Al2SiO5

60 lbs / 1

CON107FF Condor Agate Specimen From Australia The chemical formula for BlackThis polished Condor Agate shows a crystalline center surrounded by blue gray banded agate with black chromatography, and then translucent agate with dark orange to red, and hints of purple. The back of the nodule is intact with just a few tiny windows. 9. 4cm x 8. 3cm polished face approx. 2" deep 1lb 0. 1oz