sedimentary
Banded Sedimentary Rock
Sedimentary rock with Liesegang banding
AI-generated identification · may be incorrectHardness typically 3-7 depending on mineral composition (often quartz or calcite cemented); color ranges from tan, brown, to dark blue-grey in distinct parallel bands; dull to earthy luster; massive or fine-grained crystal structure; specific gravity around 2.5-2.7.
Identified More sedimentary →
Explore Banded Sedimentary Rock in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness typically 3-7 depending on mineral composition (often quartz or calcite cemented); color ranges from tan, brown, to dark blue-grey in distinct parallel bands; dull to earthy luster; massive or fine-grained crystal structure; specific gravity around 2.5-2.7.
Formation & geological history
Formed through the accumulation, compaction, and cementation of mineral particles in water over millions of years, often featuring secondary chemical precipitation creating distinct color bands.
Uses & applications
Used primarily as a decorative stone, tumbled specimen for jewelry, or educational geological specimen.
Geological facts
Banded patterns like Liesegang rings form via rhythmic chemical precipitation within sedimentary layers, giving stones a unique appearance that can sometimes resemble baked goods.
Field identification & locations
Can be identified in the field by its distinct layered bands of alternating colors and relative hardness; commonly found in sedimentary basins and riverbeds.
More like this
Other sedimentary specimens
Fossiliferous Sedimentary Rock
Sedimentary limestone with invertebrate fossil imprint
fossil
Sandstone or Siltstone
Arenite (if sandstone)
Sedimentary
Sandstone
Arenite
sedimentary
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Generic Pebble / Rock Fragment
Lithic fragment / Weathered rock
sedimentary
Shale
Shale (clastic sedimentary rock)
sedimentary