Natural History Specimen Appraisals

Botryoidal Chalcedony or Opal in Matrix Specimen

Raw Mineral Specimen

Large Polished Carnelian or Agate Specimen

Chert (Flint) Specimen with Inclusion

Botryoidal Chalcedony or Agate Specimen

Cave Onyx Specimen

Geode or Vug Specimen

Mixed Mineral Ore Specimen

Rough Citrine Quartz Specimen

Botryoidal Chalcedony and Quartz Specimen

Rough Agate/Chalcedony Specimen

Raw Agate/Chalcedony Mineral Specimen with Botryoidal and Dendritic Formations

Raw Carnelian Agate Specimen

Agate and Quartz Geode Fragment

Raw Quartz Mineral Specimen with Iron Staining

Raw Botryoidal Quartz/Chalcedony Specimen with Earthy Inclusions

Raw Grape Agate (Botryoidal Chalcedony) Specimen

Raw Agate or Chalcedony Specimen in Host Rock

Raw Mineral Specimen

Botryoidal Chalcedony with Quartz Specimen adhered to Matrix

Mineral Specimen

Rough Opal or Similar Mineral Specimen

Rough Mineral Specimen

Desert Rose Gypsum Cluster

Banded Agate Specimen

Unpolished Golden Translucent Mineral Specimen

Mottled Green and White Rough Mineral Specimen

Rough Rhodonite Mineral Specimen with Associated Minerals

Botryoidal Chalcedony Geode Specimen

Raw Malachite/Chrysocolla Mineral Specimen in Quartz Matrix

White Mineral Specimen

Rough Sodalite Mineral Specimen

Dendritic Agate Mineral Specimen

Raw Botryoidal Mineral Specimen

Raw Rose Quartz Crystal Specimen

Unpolished Mineral Specimen

Botryoidal Chalcedony with Matrix

Quartz Specimen with Iron Staining

Aura Amethyst Geode/Cluster

Banded Calcite/Aragonite Mineral Specimen