Geological Survey Appraisals

Unidentified Rock Fragment

Sodalite in Matrix Mineral Specimen

Weathered Stone or Rock Specimen

Unidentified Mineral Specimen

Foliated Metamorphic Rock Fragment (Schist/Phyllite)

Unidentified Raw Crystal Specimen

Possible Meteorite

Lunar Meteorite

Cave Onyx Specimen

Rock Formation Print

Multi-Mineral Rock Specimen (Possibly Pegmatite or Gneiss)

Light-Colored Chert or Flint Nodule

Stone Grinding Implement or Natural Rock Formation

Rustic Stone Artifact

Ammonite Fossil

Unidentified Dark Mineral or Rock Specimen

Reddish-Brown Mineral Fragment

Unidentified Rock or Mineral Specimen

Unpolished Chalcedony Geode (Thunderegg)

Petrified Bone Fragment

Chalcedony Nodule with Inclusions

Fossilized Bivalve Shell Fragment

Fossilized Stone with Inscriptions

Small Metallic Fragment or Mineral Specimen

Botryoidal Chalcedony or Agate with Fossil Inclusions

Ammonite Fossil

Banded Natural Specimen

Natural Stone

Weathered River Rock

Quartz Geode

Metamorphic Rock Specimen with Silvery Mineral Inclusions

Potential Meteorite

Botryoidal Chalcedony or Geode Fragment

Fossilized Bone Fragment

Desert Rose Gypsum Cluster

Geode or Vug Specimen

Weather-Worn Sandstone Concretion with Natural Cavities

Two Fossil Fish in Matrix

Banded Mineral Specimen

Antique Stone Egg