sedimentary

Sedimentary Rock with Crafts (Pet Rock)

Sedimentary rock decorated with synthetic materials

AI-generated identification · may be incorrect

Hardness varies (typically Mohs 3-7 depending on specific composition, likely limestone or sandstone), grey/brown color, dull luster, fine-grained to medium-grained texture, specific gravity around 2.3-2.7.

Identified July 30, 2026More sedimentary →

Explore Sedimentary Rock with Crafts (Pet Rock) in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Formation & geological history

Formed through the accumulation, compaction, and cementation of mineral and organic particles over millions of years in aquatic or terrestrial environments.

Uses & applications

Decorative art, novelty items, education, and crafting projects.

Geological facts

Rocks decorated with googly eyes and pom-poms became famous as novelty toys in the 1970s known as 'Pet Rocks', capturing cultural imagination as the ultimate low-maintenance pet.

Field identification & locations

Commonly found in surface deposits, riverbeds, and construction aggregate. Easily identifiable by its naturally weathered surface adorned with human-added craft materials.