Nature Illustration Appraisals

Mineral Specimen

Unpolished Chalcedony Geode (Thunderegg)

Copper Ore Sample

Chert (Flint) Specimen with Inclusion

Botryoidal Chalcedony or Agate Specimen

Cave Onyx Specimen

Terahertz Raw Stone

Shell Necklace

Geode or Mineral Cluster

Botryoidal Chalcedony Nodule

Aquamarine Ring

Colombian Emerald Gemstone in Display Case

Raw Citrine Crystal Specimen

Red Coral Necklace

Botryoidal Chalcedony or Geode Fragment

Tiger Eye Bracelet

Flower Agate Polished Stone

Botryoidal Agate/Chalcedony Cluster

Amethyst and Pyrite Mineral Cluster

Weathered Stone Concretion / Geode Fragment

Raw Quartz Cluster / Geode Fragment

Geode

Bone or Shell Beaded Necklace

Heart-shaped Speckled Stone

Raw Banded Agate Specimen

Ruby Heart Gemstone

Double-Strand Turquoise Bracelet

The Sentinel by Bev Doolittle

Amethyst Geode Section

Turquoise Ring

Rough Agate/Chalcedony Specimen

Braided Rope

Turquoise and Silver Necklace

Raw Agate/Chalcedony Mineral Specimen with Botryoidal and Dendritic Formations

Rhyolite (Poppy Jasper Type) Mineral Specimen

Reddish Rock Sample

Sodalite in Matrix Mineral Specimen

Unpolished Agate or Chalcedony Mineral Specimen

Raw Chalcedony with Matrix

Iridescent Mineral Fragment