COY107JR Coyamito Agate Specimen Tabasco Geodes This polished cabochon features a

This polished cabochon features a dark brown base with banding and interesting patterning of chatoyant gold that changes with the light

or some golden yellows

Its chemical formula is SiO2 and the irradiation of ferrous iron (Fe3+) causes localized purple that is generally strongest toward the tips of the crystals

This polished intarsia contains multiple layers of stone

The Book of Stones is a new edition (76 new stones

COY107JR Coyamito Agate Specimen Tabasco Geodes This polished cabochon features aThis Coyamito Agate polished specimen features pseudomorphs and epimorphs within a nodule of translucent gray agate, with yellow banding and quartz sections. 9. 3cm x 7cm, 2. 25" deep 12. 8oz Coyamito Agate is a nodular banded agate found about thirty miles north of the Laguna agate deposits in Chihuahua, Mexico. It is found in multiple deposits, most of which are located on the Coyamito Ranch. The nodules have a reputation for being colorful and