Scientific Specimen Appraisals

Geological Specimen

Meteoritic Rock

Unidentified Rock Specimen

Possible Meteorite

Lunar Meteorite

Possible Meteorite

Large Mammal Pelvis Bone

Unidentified Mineral Specimen (Possibly Quartz)

Antique Wheatstone Bridge / Resistance Box

Texas Instruments TI-36X Pro Scientific Calculator

Banded Natural Specimen

Raw Opal/Chalcedony Specimen

Raw Chalcedony Specimen

Botryoidal Agate/Chalcedony Specimen

Sodalite in Matrix Mineral Specimen

Raw Geode Specimen

Botryoidal Chalcedony or Opal in Matrix Specimen

Large Polished Carnelian or Agate Specimen

Mixed Mineral Ore Specimen

Raw Banded Agate Specimen

Botryoidal Agate or Chalcedony Specimen

Rough Agate or Chalcedony Specimen

Banded Mineral Specimen

Raw Botryoidal Quartz/Chalcedony Specimen with Earthy Inclusions

Rough Citrine Quartz Specimen

Natural Mineral Specimen with Translucent Stone

Botanical Illustration

Botryoidal Chalcedony Specimen

Botryoidal Chalcedony Specimen

Botryoidal Chalcedony Specimen

Raw Carnelian Agate Specimen

Unidentified Rock/Mineral Specimen

Botryoidal Chalcedony Specimen

Chert (Flint) Specimen with Inclusion

Botryoidal Chalcedony or Agate Specimen

Cave Onyx Specimen

Geode or Vug Specimen

Rough Rhodonite Mineral Specimen with Associated Minerals

Rough Chalcedony or Agate Specimen with Inclusions

Rough Agate/Chalcedony Specimen