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Pulse arcade — neon hairlines and corner brackets frame the playfield brief.
Learn more about Prehnite on our mining page
Learn more about Salvia Purple Chalcedony on our mining page
and red-orange agate with pseudomorph inclusions
This polished intarsia contains multiple layers of stone
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
COY107JR Coyamito Agate Specimen Tabasco Geodes Learn more about Prehnite onThis 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