Volcanic Rock Appraisals

Chalcedony or Agate Mineral Specimen

Quartz Crystal

Raw Mineral Specimen

Botryoidal Chalcedony Mineral Specimen

Botryoidal Agate/Chalcedony Cluster

Stone

Natural Quartz Crystal Specimen

Botryoidal Agate Specimen

Chalcedony Nodule with Inclusions

Botryoidal Chalcedony Specimen

Smooth River Stone

Quartz Crystal Cluster

Quartz Crystal

Polished Quartz Crystal

Geode or Vug Specimen

Banded Natural Specimen

Quartz Specimen with Iron Staining

Unidentified Metallic Mineral Specimen

Natural Stone

Botryoidal Chalcedony Specimen

Botryoidal Chalcedony and Quartz Specimen

Botryoidal Chalcedony on Matrix

Banded Calcite/Aragonite Mineral Specimen

Raw Mineral Specimen

Botryoidal Chalcedony Specimen

Quartz Geode Half

Unidentified Mineral Specimen (Possibly Quartz)

Fluorite Cluster Specimen

Natural Mineral Specimen (Possibly Quartz or Chalcedony Geode Fragment)

Rough Mineral Specimen

Rough Opal or Similar Mineral Specimen

Desert Rose Gypsum Cluster

Quartz Geode

U2 Portfolio

Banded Agate Specimen

Rough Mineral Specimen

Raw Chalcedony Specimen

Natural Stone Artifact

Chalcedony or Agate Specimen

Unidentified Stone