Santo Domingo heishi are hand-rolled shell, stone, and turquoise disc beads made by the Kewa Pueblo of New Mexico — formerly known as Santo Domingo Pueblo — and represent one of the oldest continuous Native American jewellery traditions. The word heishi derives from the Kewa term for shell, and the technique it names has been practised in the pueblo for over a thousand years, with archaeological evidence of similar beadmaking from the broader Pueblo cultural area extending back several centuries before that. Authentic Santo Domingo heishi commands significant premiums over machine-cut imitations and over heishi-style beads from other sources.

The technique

Traditional heishi beadmaking is exceptionally labour-intensive. Raw material — most commonly olivella shell, but also turquoise, jet, coral, pipestone, and various other shells and stones — is broken into rough fragments. Each fragment is shaped, drilled (originally with a hand-rotated bow drill, now often with electric tools), and threaded onto a string with hundreds or thousands of similar fragments. The strung beads are then rolled along an abrasive surface, traditionally a sandstone slab with water as lubricant, until the irregular fragments are abraded into uniform discs of matching diameter.

The hand-rolling stage is what gives heishi its distinctive character: the beads are not individually shaped but emerge from the collective abrasion of the strung parcel, producing slight variation in thickness and a hand-finished surface that machine-cut beads cannot replicate. The diameter of finished heishi typically ranges from 2 to 4 millimetres, with very fine work going down to 1 millimetre or below. A single strand of fine olivella heishi can take days or weeks of work to produce.

Materials

The traditional material range is broad but with hierarchical preferences. Olivella shell heishi, made from the small marine snail shell Olivella biplicata traded into the Southwest from the Pacific coast, is among the most highly regarded for its consistent white colour and fine grain. Turquoise heishi, made from local Cerrillos turquoise or other Southwest sources, ranges from pale blue-green to deep blue depending on the stone. Jet heishi — black, lightweight, organic — provides striking contrast in mixed-bead jewellery. Coral, pipestone, melon shell, and various other materials all see traditional use.

Many Santo Domingo necklaces combine heishi of different materials in patterned arrangements, with the colour and material relationships forming a design vocabulary as developed as the technique itself. Multi-strand work, graduated heishi (decreasing in diameter toward the back of the necklace), and combined heishi-and-pendant designs are all standard forms.

The pueblo and its makers

Kewa Pueblo, located between Albuquerque and Santa Fe along the Rio Grande, has been the centre of heishi production for centuries. Generations of families specialise in the craft, with techniques passed from parent to child and refined over working lifetimes. Notable makers have included members of the Reano, Calabaza, Rosetta, and Tortalita families, among others; the work of leading makers commands premiums comparable to fine art jewellery and is collected by museums and serious private collectors.

The pueblo also produces other forms of jewellery — silver work, mosaic inlay, and beadwork beyond heishi — but heishi is the trademark form, and the Kewa name is essentially synonymous with it in the trade.

Authentication

The market includes both authentic Santo Domingo heishi and machine-cut imitations from various sources, sometimes labelled deceptively. Authentic hand-rolled heishi can be recognised by several features: slight dimensional variation across the strand reflecting the hand-rolling process; the surface finish, which is matte rather than the slick polished finish typical of machine work; the way the beads sit against each other on the strand, with hand-rolled work producing a more flexible, organic strand; and the maker's reputation, which is the most reliable indicator for high-end pieces.

Many leading Santo Domingo makers sign or initial their work, particularly higher-value pieces. Provenance documentation — purchase from a reputable trading post, gallery, or pueblo show — provides additional assurance. Machine-cut imitations from Asian and other sources are widely available at much lower prices and should be disclosed as such; the trade convention is that Santo Domingo heishi as a designation means hand-rolled work from the pueblo.

In the market

Authentic Santo Domingo heishi commands prices well above machine-cut imitations. A fine olivella heishi necklace by a recognised maker can reach four-figure prices for substantial multi-strand pieces; turquoise heishi with high-grade stone reaches similar levels. The Indian Market in Santa Fe each August is the principal venue for direct purchase from makers, with pueblo trading posts and specialist galleries serving the trade through the rest of the year.

The market has remained relatively stable through the past several decades, with fine pieces by recognised makers appreciating modestly as the master makers age and as machine-cut competition has not materially eroded demand for authentic work. Heishi has also entered contemporary fashion jewellery design, sometimes with appropriate sourcing and credit and sometimes not; the broader cultural-appropriation conversation around Native American jewellery applies here as elsewhere.

Care

Heishi necklaces should be stored flat to prevent the strand from twisting and developing weak points. Cleaning is by mild soap and water with thorough drying; ultrasonic and steam cleaning are not appropriate, particularly for shell and porous turquoise. The strand will eventually require restringing as the threading material wears, particularly at the closure points; restringing should be done by someone familiar with traditional heishi work to preserve the original character of the piece.

Further reading

• GIA Gems & Gemology — Native American jewellery and turquoise
• International Gem Society — turquoise and heishi reference
• ICA — Native American jewellery traditions