dardilrocks: Lajitas Mesa chalcedony nodule
dardilrocks: 2nd Lajitas Mesa chalcedony nodule
dardilrocks: 3rd Lajitas Mesa chalcedony nodule
dardilrocks: river tumbled Texas agate - 01-22-10
dardilrocks: poodle rock
dardilrocks: GW chalcedony with white plumes - 3.8 cm x 4.5 cm