Jet and Black Stones in Southwest Jewelry: Ancestral Jet vs. English Cannel Coal
Black stones in Southwest jewelry fall into two distinct categories: ancestral jet — the dark organic gemstone used by Pueblo peoples before contact — and English cannel coal, which arrived via trade networks in the nineteenth and early twentieth centuries. Distinguishing the two requires attention to period, source documentation, and the Zuni mosaic and inlay traditions where both appear.
Mateo's Field Notes
Bedinger establishes jet as a pre-contact material in the Southwest tradition, listing it alongside turquoise and white shell as an ancestral component: "To the turquoise, white shell, and jet of their ancestors, the Zunis have added cannel coal from England, several kinds of shell, including the red abalone, white spiny oyster, mother-of-pearl, and the prestigious coral." (~line 9567–9568.) The grammar here is precise — jet belongs to the ancestors; cannel coal is an addition. Both are black, but they are not the same material.
The appearance of English cannel coal in documented Zuni mosaic work is described by Bedinger in a specific object context: "Small pieces of blue turquoise, white abalone shell, red spiny oyster, and black cannel coal are arranged in a pattern on a silver backing." (~line 7307–7308.) This is a detailed technical description of a mosaic piece — cannel coal is named explicitly as the black element, not jet.
Bedinger also documents the use of jet (rather than cannel coal) in the inlay tradition in a different context: "Occasionally the true inlay technique is used for color contrast, as when dots of white or color are set into black jet masks." (~line 9604.) Here the material is identified as jet, and the application is inlay rather than mosaic — a technical distinction with implications for how the piece was made and valued.
Early material lists are more mixed. Bedinger notes that among the materials obtained by barter when turquoise was unavailable: "aquamarines, malachite (Beadle 1877:250), jet, glass, and abalone shell, obtained by barter." (~line 2759–2760.) Jet appeared in traded material networks well before the cannel coal from England entered the same networks.
[HELD] — "Acoma jet" as a named source deposit is not explicitly confirmed in the available corpus text. The attribution is held pending corpus verification and will not be published until confirmed.
Collector's Handbook
- Jet vs. cannel coal — same appearance, different origin. Both are organic, carbonaceous, and black. Jet is fossilized driftwood (relatively rare, warm luster); cannel coal is a variety of coal (more common, slightly duller surface). In finished mosaic work, distinguishing them requires laboratory analysis or strong provenance documentation.
- English origin of cannel coal. The presence of English cannel coal in Zuni work is not a sign of inauthenticity — it reflects documented trade networks. But it does confirm that the piece postdates the introduction of those networks (broadly, post-contact).
- Mosaic vs. inlay distinction. Bedinger uses both terms with precision. Mosaic = pieces arranged on a backing (flat or curved). True inlay = pieces set into a pre-cut channel or void in the base material. The distinction affects fabrication dating and style attribution.
- Period documentation matters. For pre-contact jet pieces, demand archaeological or museum provenance. For post-contact pieces using cannel coal, period documentation of the specific object (not just the tradition) is the appropriate standard.
Related Entries in the Directory
Browse artists working in mosaic and inlay traditions in the Silversmith Directory.
Primary Sources
- Bedinger, Margery. Indian Silver: Navajo and Pueblo Jewelers. University of New Mexico Press, 1973, ~line 2759–2760 (early barter materials including jet); ~line 7307–7308 (Zuni mosaic: turquoise, abalone, spiny oyster, cannel coal); ~line 9567–9568 (ancestral jet vs. English cannel coal); ~line 9604 (jet inlay masks).