Scientific Specimen Appraisals

Chalcedony Mineral Specimen

Copper Long-Handled Aneroid Barometer

Brock & Michelsen Analytical Balance

Assorted Natural Quartz Geodes and Mineral Specimens

Bivalve Seashell

Unidentified Rock

Raw Crystal Specimen

Small Metallic Fragment or Mineral Specimen

Outdoor Garden Sundial with 'Time Will Tell' Inscription

Quartz Crystal Sample

Ammonite Fossil

Heart-Shaped Rock

Unidentified Mineral Specimen

Igneous Rock

Small Stone

Large Selenite Desert Rose Cluster

Vintage Astronomical Chart Canvas Print

Blätter und Blüfen, Band 25

Antique Banjo Barometer with Clock and Thermometer

Nautical Anchor Thermometer and Perpetual Calendar

Petrified Bone Fragment

Botryoidal Agate Specimen

Chalcedony Nodule with Inclusions

Botryoidal Chalcedony Specimen

Raw Mineral Specimen

Weathered Rock with Lichen Growth

Tumbled Stone

Vintage Brass Balance Scale with Weights

Analytical Laboratory Balance (Two-Pan Scale)

Vernier Caliper (Antique)

Desert Rose Selenite Specimens

Ammonite Fossil

Botryoidal Chalcedony on Matrix

Unidentified Stone

Uncut Agate

Weathered River Rock

Mottled Seashell

Fossilized Bone Fragment

Small Rock

Clear Mineral Fragment with Inclusions