Unknown Rock Appraisals

Quartz Crystal Cluster

Botryoidal Chalcedony Specimen

Botryoidal Chalcedony Specimen

Uncut Agate

Rough Sodalite Mineral Specimen

Geode or Vug Specimen

Quartz Specimen with Iron Staining

Banded Natural Specimen

Natural Stone

Botryoidal Chalcedony Specimen

Botryoidal Chalcedony on Matrix

Botryoidal Chalcedony and Quartz Specimen

Banded Calcite/Aragonite Mineral Specimen

Muscovite Mica Specimen

Botryoidal Chalcedony with Matrix

Natural Mineral Specimen (Possibly Quartz or Chalcedony Geode Fragment)

Rough Opal or Similar Mineral Specimen

Rough Mineral Specimen

Desert Rose Gypsum Cluster

Raw Chalcedony Specimen

Quartz Geode

U2 Portfolio

Rough Mineral Specimen

Banded Agate Specimen

Natural Stone Artifact

Chalcedony or Agate Specimen

Raw Mineral Specimen (Ochre and Dark Mineral)

Assorted Natural Quartz Geodes and Mineral Specimens

Unpolished Chalcedony Geode (Thunderegg)

Copper Ore Sample

Chert (Flint) Specimen with Inclusion

Node of Crystalline Structure

Botryoidal Mineral Specimen

Polished River Stone

Geode or Mineral Cluster

Botryoidal Chalcedony Nodule

Botryoidal Chalcedony or Geode Fragment

Agate and Quartz Geode Fragment

Raw Botryoidal Quartz or Chalcedony Specimen

Botryoidal Agate or Chalcedony Specimen