Scientific Specimen Appraisals

Unidentified Mineral Specimen

Rough Sodalite Mineral Specimen

Natural Mineral Specimen (Possibly Quartz or Chalcedony Geode Fragment)

Weathered Geode Fragment or Porous Rock

Quartz Geode

Rough Mineral Specimen

Chalcedony or Agate Specimen

Unidentified Raw Mineral Specimen

Botryoidal Chalcedony with Matrix

Botryoidal Chalcedony or Geode Fragment

Raw Citrine Crystal Specimen

Raw Mineral Specimen (Ochre and Dark Mineral)

Unpolished Chalcedony Geode (Thunderegg)

Node of Crystalline Structure

Massive Blue Mineral Specimen (Possible Sapphire or Corundum-bearing Rock)

Unpolished Agate or Chalcedony Mineral Specimen

Natural Stone with Distinct Stripe

Reddish Rock Sample

Raw Chalcedony with Matrix

Raw Iron-Stained Quartz Specimen

Rough Green Serpentine or Jade Mineral Specimen

Rough Lapis Lazuli Specimen

Two Fossil Fish in Matrix

Rough Red Jasper Mineral Specimen

Quartz with Green Inclusions (Likely Moss or Chlorite)

Unidentified Metamorphic Rock Specimen

German Stamp - Radio Telescope

Tumbled Blue Lace Agate Specimen

Amethyst Geode/Cluster Specimen

Banded Agate Geode Fragment with Druse

Rough Green Mineral Specimen (likely Fluorite)

Rough Agate or Jasper Specimen

Mixed Mineral Specimen with Quartz and Green Mineral

Framed Botanical Engraving 'Bouquet'

Amethyst (or Fluorite) Crystal Cluster

Centenaire de la Pile Voltaïque Lithograph

Mineral Specimen

Basalt Pebble

Unidentified Bone/Fossil Fragment

Taxidermied Tiger Cub / Wild Cat Specimen