Sandstone
Sandstone is sedimentary (clastic), (quartz sand + cement). In the hand, it rates variable (grains 7, cement softer) on the Mohs scale, and it runs tan and red. Gritty rock of visible cemented sand grains that rubs off as sand under a thumbnail, often in banded desert colors. Worldwide, deserts, beaches, riverbeds compacted through deep time; iconic in the US Southwest.
The geology.
Sandstone carries the formula (quartz sand + cement). It belongs to the, system. Its listing category is sedimentary (clastic).
It sits at variable (grains 7, cement softer) on the Mohs scale. The surface reads dull, gritty. Light behaviour is opaque. Specific gravity runs 2.0 to 2.6. The streak is,. It breaks with crumbly granular fracture.
Gritty rock of visible cemented sand grains that rubs off as sand under a thumbnail, often in banded desert colors.
It turns up mostly as decor slabs, bookends, carved objects or natural formations.
The origins.
Worldwide, deserts, beaches, riverbeds compacted through deep time; iconic in the US Southwest.
On value, the database notes: common and very affordable.
Traditional associations.
In energy work traditions, associated with adaptability and gradual creation.
This is lore, and we label it as lore. The measurable facts are further up the page.
Spotting the real thing.
Gritty rock of visible cemented sand grains that rubs off as sand under a thumbnail, often in banded desert colors.
'Blue/gold sandstone' in bead shops is man-made goldstone glass, not sandstone.
| Looks like | How to tell them apart |
|---|---|
| Quartzite | Quartzite is fused glass-hard and breaks through grains; sandstone crumbles around them |
| Picture jasper | Jasper is smooth, waxy, and glass-hard despite similar scenery |
| 'Blue sandstone' beads | That's goldstone glass, no relation |
At-home tests.
A loupe and a window seat settle most questions about sandstone. No workshop required.
| Test | What you should see |
|---|---|
| By eye | Gritty feel; sheds grains when rubbed |
| By eye | Much softer overall than quartzite |
| By eye | Often shows sedimentary layering |
Anything that scratches, burns or dissolves the piece is a lab job. Get it appraised rather than testing it apart.
Care & handling.
At variable (grains 7, cement softer) on the Mohs scale it stands up to everyday wear. It will still chip on a hard knock, so treat edges and points with respect.
It breaks with crumbly granular fracture, which is worth knowing before you set it or drop it.
Warm water and a soft cloth clean almost everything. Ultrasonic tanks, steamers and household cleaners are where pieces get ruined.
A deeper look.
Extended detail on composition, sourcing, authentication and market value.
The physical record
The formula on record is (quartz sand + cement). Crystal system:,. Specific gravity: 2.0 to 2.6. Streak:,. Cleavage and fracture: Crumbly granular fracture.
How it reaches the market
Worldwide, deserts, beaches, riverbeds compacted through deep time; iconic in the US Southwest.
What it gets confused with
Quartzite: Quartzite is fused glass-hard and breaks through grains; sandstone crumbles around them. Picture jasper: Jasper is smooth, waxy, and glass-hard despite similar scenery. 'Blue sandstone' beads: That's goldstone glass, no relation.
What it is worth
Common and very affordable.
Where buyers get caught
'Blue/gold sandstone' in bead shops is man-made goldstone glass, not sandstone.
One more thing
Every sandstone is a fossilized landscape, dunes, rivers, or beaches you can read grain by grain.
An education-first guide.
No product links here. We do not sell sandstone, and a guide that only covers our own shelves would not be much of a guide.
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