Baltic Amber Gemstone with Inclusion
Insecta indet. (indeterminate insect inclusion) • Body fossil inclusion preserved in fossilized tree resin (amber)
Geological Period
Paleogene (Eocene epoch)
Estimated Age
33 to 56 million years old
Preservation Type
Three-dimensional organic preservation trapped in fossilized resin (amber preservation)
Condition Assessment
Good condition; well-polished cabochon with clear internal visibility, minor surface scratches visible under magnification
Taxonomic Classification
Phylum Arthropoda, Subphylum Hexapoda, Class Insecta (Order and lower taxa uncertain due to image resolution)
Morphological Description
Polished, elongated rectangular cabochon shape with deep amber-brown hues. Visible internal flow lines, particulate debris, and a distinct small embedded organism inclusion near the left side.
Rock Matrix
Fossilized tree resin (succinite amber matrix) with high clarity polished surfaces
Formation & Location
Baltic Sea region (primarily Samland peninsula in Kaliningrad, Russia, or Poland)
Size & Dimensions
Approximately 30 mm to 40 mm in length
Value & Rarity
Estimated Market Value
$50 - $150 USD
Auction Estimate
$40 - $100 USD
Rarity Assessment
Common, standard Baltic amber insect inclusion
Scientific Significance
Provides direct evidence of Eocene forest ecosystems, micro-habitats, and ancient arthropod biodiversity
Preparation Recommendations
Store away from direct sunlight, high heat, and organic solvents to prevent oxidation and crazing; clean with a soft microfiber cloth
Notable Features
Polished rectangular cabochon cut showcasing a localized inclusion pocket with distinct contrast against the darker amber matrix