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River BasinStoneworks
Natural gemstones · exact specimensEst. 2025

Formed by earth. Chosen with care.

One-of-one gemstones and mineral specimens, individually photographed and presented with measured detail, natural character, and restraint.

Natural stones · Exact specimens
Natural North Carolina emerald in matrix point
Current collection · 2026

Featured material

Emerald in Matrix

North Carolina, USA

The current collection

Stones with a sense of place.

Exact stones, individually photographed. No stock images, no two pieces alike.

Large 25.5 carat purple amethyst cushion gemstone
Exact specimen · close inspection

A clearer standard

“Natural character is part of the record—not a flaw to edit out.”

Every listing is built around one exact stone—from close inspection and measurement to direct notes on inclusions, condition, origin, and treatment status.

How we document each stone

The River Basin standard

Examined. Measured. Honestly presented.

A consistent process keeps each stone’s actual character visible from first image to final listing.

01

Examined closely

Each stone is photographed individually so its color, surface, inclusions, and natural boundaries remain visible.

02

Character left visible

Natural growth features, fractures, texture, and color variation are treated as part of the specimen’s record.

03

Described with care

Measurements, condition, origin, and treatment status are stated precisely—including when something is unknown.

Stone index

Color, structure, natural character.

A closer look at the exact gemstones and mineral specimens currently represented in the collection.

3.98 carat Ethiopian Welo opal listing photograph
Blue-green bi-color tourmaline listing photograph
North Carolina emerald in matrix listing photograph
Large purple amethyst cushion listing photograph

Field notes

Reports from the road.

Rockhounding trips, workshop observations, and responsible collecting across the West.

Find your stone

The next collection is already taking shape.

Browse one-of-one pieces, or visit Etsy for secure checkout and current availability.

View the collection