sedimentary

Weathered sandstone or sandy sediment

Quartz-rich siliciclastic sediment, likely weakly cemented sandstone (quartz ± feldspar and clay minerals)

AI-generated identification · may be incorrect

Tan, poorly consolidated, fine-to-coarse granular material with crumbly texture and little visible cement; likely hardness about 2–7 depending on grains, with mostly dull to earthy luster and no consistent cleavage.

Identified August 27, 2026More sedimentary →

Explore Weathered sandstone or sandy sediment in the encyclopedia →

Identify your own rocks.

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

App Store Google Play

At a glance

Common name: Weathered sandstone or sandy sediment
Scientific name: Quartz-rich siliciclastic sediment, likely weakly cemented sandstone (quartz ± feldspar and clay minerals)
Category: sedimentary
Identified: August 27, 2026
Method: Standard

AI Estimated Value

$0–$5 for loose common material; attractive naturally cemented or patterned sandstone specimens may sell for roughly $10–$50.

Not an official valuation

AI estimate for general interest only — not an appraisal. Actual value depends on condition, provenance, and market demand. Verify with a professional before buying, selling, or insuring.

This identification was generated by AI and may contain errors. Verify important details before relying on them — and never use an AI result to judge whether a specimen is safe to handle. Read the full disclaimer

Physical properties

Formation & geological history

Formed from weathered rock fragments deposited by wind, water, or gravity and later only weakly compacted/cemented; the image may show modern sediment or highly weathered sandstone, so geological age cannot be determined visually.

Uses & applications

Useful as sand or aggregate where suitable, and sandstone can serve as building or paving stone; this loose specimen has little commercial or jewelry value.

Geological facts

Quartz grains commonly resist weathering and accumulate as sand, while iron-oxide staining produces the tan to yellow-brown color.

Field identification & locations

Identify by gritty feel, visible sand grains, tan coloration, and crumbling under pressure; common in deserts, beaches, river channels, dunes, and sedimentary outcrops. A hand lens, dilute acid test, and observation of bedding would improve identification.