sedimentary
Sandstone Pebble
Sandstone (Siliciclastic Sedimentary Rock)
Hardness: 6-7 on Mohs scale; Color: Light tan, beige, brownish-yellow; Luster: Dull, earthy; Texture: Fine-grained, gritty to touch; Specific Gravity: 2.2-2.8
- Hardness
- 6-7 on Mohs scale
- Color
- Light tan, beige, brownish-yellow
- Luster
- Dull, earthy
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Physical properties
Hardness: 6-7 on Mohs scale; Color: Light tan, beige, brownish-yellow; Luster: Dull, earthy; Texture: Fine-grained, gritty to touch; Specific Gravity: 2.2-2.8
Formation & geological history
Formed through the compaction and cementation of sand-sized mineral particles or rock fragments, typically quartz and feldspar, deposited in fluvial, beach, or desert environments, followed by natural stream or beach tumbling.
Uses & applications
Commonly used in land construction, crushed stone, decorative garden rock, and general landscaping pebble work.
Geological facts
Stream-worn sandstone pebbles often retain fine bedding layers visible as subtle color bands along the rounded sides.
Field identification & locations
Identified by its sandy, abrasive texture when rubbed and pale tan color. Commonly found along riverbeds, beaches, and gravel deposits worldwide.
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