Puddingstone is a type of conglomerate sedimentary rock consisting of rounded, colorful pebbles embedded in a finer-grained matrix. It is highly valued by collectors for its resemblance to a pudding filled with fruit, often featuring contrasting colors between the clasts and the groundmass.

Transparency

Opaque

sedimentarycommon

Puddingstone

Also: Conglomerate

Transparency: Opaque

Is this puddingstone?

2-step field check

Run through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.

1
Match the color range
Compare against the expected color range: multicolored, gray, red, white, brown.
2
Look at form & habit
Typical habit: rounded pebbles in matrix.

Often confused with

Puddingstone vs. its common look-alikes — and how to tell them apart in the field.

Often found alongside puddingstone

Minerals reported to co-occur with puddingstone. Spotting these in float or country rock is a strong cue you are in the right ground.

All properties

Colors: Multicolored Gray Red White Brown
Transparency: Opaque
Crystal habit: Rounded Pebbles in Matrix
Rarity: Common
Uses: Decorative, Lapidary, Collector
Host rock: Sedimentary Basins
Typical price: $5-50 for hand specimens or polished cabochons

Where rockhounds find puddingstone

1 mapped spots

Classic worldwide localities

Michigan, USA
United Kingdom
Ontario, Canada
New England, USA

Field-hunting tip

Look in sedimentary basins country — that is the host setting where puddingstone typically forms. If you start seeing quartz, calcite, iron oxides in float, you are in the right ground. Field specimens usually show a rounded pebbles in matrix habit, so train your eye for that shape before scanning the outcrop. In the U.S., the densest reported localities are in Maryland — start trip planning there.

Browse 1 U.S. spots for puddingstone →

Common questions

Where is puddingstone found?+

Notable localities include Michigan, USA; United Kingdom; Ontario, Canada; New England, USA.

Can I find puddingstone in the United States?+

RockHoundR maps 1 puddingstone rockhounding spots across 1 U.S. states — the top states are Maryland.

How much is puddingstone worth?+

Typical asking prices fall in the range of $5-50 for hand specimens or polished cabochons. Quality, size, and provenance can move individual specimens well outside that range.

What rocks look like puddingstone?+

Puddingstone is most often confused with Breccia, Sandstone. A quick hardness test and a streak check separate the look-alikes faster than color alone.

What minerals are found with puddingstone?+

Puddingstone commonly co-occurs with Quartz, Calcite, Iron oxides. Spotting any of these in float or country rock is a useful trip signal.

What kind of rock does puddingstone form in?+

Puddingstone typically forms in sedimentary basins. Working float back to the host body is the standard way to chase a fresh occurrence.

What is puddingstone used for?+

Puddingstone is used in decorative, lapidary, collector.

Find puddingstone on the map

RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.