sedimentary
Sandstone
Sedimentary Clastic Rock
Hardness: 6-7 on Mohs scale depending on cement; Color: Tan, brown, yellow, red, grey, pink, white; Luster: Dull to earthy; Crystal Structure: Clastic, composed of mineral grains; Cleavage: None
- Hardness
- 6-7 on Mohs scale depending on cement
- Color
- Tan, brown, yellow, red, grey, pink, white
- Luster
- Dull to earthy
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Physical properties
Hardness: 6-7 on Mohs scale depending on cement; Color: Tan, brown, yellow, red, grey, pink, white; Luster: Dull to earthy; Crystal Structure: Clastic, composed of mineral grains; Cleavage: None
Formation & geological history
Formed by the accumulation, compaction, and cementation of mineral particles or rock fragments, most commonly quartz and feldspar, in environments such as deserts, rivers, and beaches.
Uses & applications
Used extensively in construction as a building material, paving stones, and for decorative landscaping.
Geological facts
Sandstone formations like Zion National Park and Petra are famous worldwide for their striking layered cliff faces sculpted by wind and water over millions of years.
Field identification & locations
Easily identified in the field by its grainy texture resembling sandpaper and visible layering or bedding planes. Found globally.
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