Whitby Jet
Whitby jet is jet from the North English coastal town of Whitby - by far the most important deposit worldwide in the 19th century and the gold standard of Victorian mourning jewellery.
Written by Dr. Helene Vasall
Whitby jet is the gold standard of Victorian mourning jewellery. Unlike jet in general - which is known from many deposits - Whitby jet refers specifically to a geological formation on the North English coast whose material was unrivalled in quality and workability. If a high-quality black piece dates from the second half of the 19th century, it is with high probability Whitby jet - and at the same time part of one of the most remarkable regional economic histories of England.
Geology
The Whitby jet deposits lie in the Mulgrave Shale, a shale stratum of the Lower Jurassic from the Toarcian age (about 180 million years ago). The fossil wood derives from extinct conifers, presumably members of the Araucariaceae, which grew in a warm, swampy coastal climate. After dying off, trunks and branches sank into oxygen-poor sediment, were covered over and, across millions of years, compacted and chemically transformed.
The result is exceptional: homogeneously black, light, soft enough to carve (Mohs 2.5–4), yet hard enough to take a mirror polish. Other jet deposits - Spain (Asturias), France (Aude), Turkey (Erzurum) - yield technically usable material, but none attains the Whitby homogeneity.
The Whitby industry
The organised Whitby jet industry begins around 1800 with a single workshop operation (Captain Tremlett, c. 1808). By the middle of the century several dozen workshops had arisen; after the death of Prince Albert in 1861 and Queen Victoria's publicly worn Whitby jet mourning, the trade exploded. At its peak around 1875, more than 1,000 jet manufactories and some 2,000 specialised craftsmen were working in Whitby - a fishing town with fewer than 15,000 inhabitants.
The workshops were typically family-run, with three to ten employees. They specialised in individual steps: breakers, who picked the raw material from the spoil heaps; cutters, who formed the material into semi-finished pieces; polishers, who created the final surface with grinding oils; and goldsmiths, who supplied settings and mounts. The trade produced for the domestic market, the British Empire and continental Europe - in the High Victorian period Whitby jet was a global trade commodity.
Typical forms
The Victorian Whitby pieces cover the entire jewellery spectrum:
- Mourning brooches with a central cabochon, often with a hair compartment on the reverse (see Mourning Brooch)
- Mourning necklaces of cut beads - the most expensive pieces with hand-turned facets
- Pendants and lockets with engraved inscriptions
- Bangles as carved solid rings or link constructions
- Drop earrings in drop and grape forms
- Mourning rings with a jet cabochon and date of death (see Mourning Ring (Memorial Ring))
Characteristic are the technically demanding surfaces: deeply carved reliefs, finely fluted structures, granulations - work that was possible only in the first half of the Whitby peak phase, before mass production depressed the standards of craftsmanship.
The decline
Three factors brought the Whitby peak phase to an end:
- French jet and vulcanite pushed into the lower and middle market segments from the 1870s onwards (see French Jet and Vulcanite (Ebonite)). The Whitby industry responded with simpler pieces of its own, which diluted the perception of the brand.
- Exhaustion of raw material. The accessible Mulgrave shale deposits were largely worked out by the mid-1880s. Deeper strata were uneconomic.
- End of formal court mourning with the death of Queen Victoria in 1901. After the Edwardian relaxation of mourning dress, demand collapsed.
By 1920, fewer than a dozen of the more than 1,000 workshops remained. Today there are still three to four active jet workshops in Whitby, working predominantly for the collectors' market and for restorations.
Identification and value
Distinguishing Whitby jet from other black mourning materials is reliably possible with a little practice:
- Weight: very light, noticeably lighter than onyx or glass
- Temperature: becomes perceptibly warm in the hand - French jet (glass) stays cold
- Polish: a deep, almost velvety lustre, no mirror effect
- UV light: weak yellowish fluorescence
- Fracture behaviour: dull, without the conchoidal fracture of glass
On the collectors' market, high-quality Whitby jet pieces from the peak phase (1860–1885) are rare today and traded accordingly highly - above all signed pieces (W. Lund, J. Wallis, Spurr & Son are the best-known workshops) achieve four-figure sums. Damaged or glued material is not accepted in the reputable trade.
Whitby jet today
In modern memorial jewellery the material plays a small but constant role. The few Whitby workshops today mainly produce cabochons for rings and plain pendants - usually as a deliberate recourse to the Victorian tradition. The pieces are also integrated into modern personalisations: a Whitby jet cabochon as the ground for a laser engraving, a Whitby jet inlay beside a fingerprint line.
A revival in fashion is not to be expected - Whitby jet is today a niche material with a historical aura, no longer a mainstream jewellery substance. But as a material bridge between Victorian mourning practice and modern memorial jewellery it remains without substitute.
Questions about this entry
- Why does the best jet come from Whitby?
The Whitby deposits lie in the Mulgrave Shale stratum of the Lower Jurassic, some 180 million years old. The fossil wood derives from relatives of the araucarias and was petrified under very uniform, oxygen-poor conditions. The result: exceptionally homogeneous material with few cracks that can be carved smoothly and polished deeply. Spanish and French deposits are coarser-grained and break more easily.
- What role did Queen Victoria play?
After the death of her husband Prince Albert in 1861, Queen Victoria wore mourning jewellery of Whitby jet for 40 years. The court ordered directly from Whitby; her public mourning practice legitimated the material socially and triggered the mass boom between 1860 and 1885. During this period more than 1,000 jet workshops were operating in Whitby.
- Does Whitby jet still exist today?
Yes, in very small quantities. A few workshops in Whitby still work with the material, which comes predominantly from historical spoil heaps and occasional beach finds. Industrial extraction is no longer worthwhile. New pieces are made above all as collector's jewellery and for restorations.
Further reading
- Whitby Jet - Through the Eyes of a Miner - Helen Muller (2009)
- Whitby Museum - Jet Collection
- Death Becomes Her - A Century of Mourning Attire - Jessica Regan (2014)
- Victorian Jet - A Material History - Sarah Nehama (2012)
Related entries
- Core conceptsWidow's Jewellery
Widow's jewellery is the graduated mourning jewellery worn by widows in the 19th century according to a strictly codified plan of court mourning - from deep matte black to half-mourning lilac, each phase with its own materials and its own formal language.
- Core conceptsMourning Jewellery
Mourning jewellery is body adornment that signals a death, binds the memory of a deceased person, or does both at once - since the 17th century a jewellery type in its own right, with a material language of its own.
- MaterialsJet (Gagate)
Jet - German *Gagat* - is a fossil, deep-black material formed from petrified wood which in the nineteenth century became the very epitome of Victorian mourning jewellery.
- MaterialsFrench Jet
French jet is a misnomer - not jet at all, but deep black pressed glass which, from the 1860s onwards, conquered the Victorian widow's-mourning-jewellery segment as inexpensive mass-produced ware.
- MaterialsVulcanite (Ebonite)
Vulcanite is hardened, black-dyed natural rubber - an industrial invention of the 1840s which found wide use in Victorian mourning jewellery as an inexpensive alternative to jet.
- PeriodsThe Victorian Era (1837–1901)
The Victorian era is the heyday of mourning jewellery - a period of more than sixty years in which court mourning codes, industrial mass production, new materials (jet, vulcanite, Berlin iron) and Queen Victoria's personal widowhood combined to produce a system of public and private mourning visibility without precedent in European history.
- People & cultural historyWhitby - Jet Workshops on the Yorkshire Coast
Whitby is the small harbour town on the north-east English Yorkshire coast whose jet deposits and workshops supplied the Victorian mourning-jewellery system with its most important material foundation in the nineteenth century - at the peak around 1870, more than 1,500 cutters and carvers there worked for the global mourning market.
- People & cultural historyQueen Victoria (1819–1901)
Queen Victoria, Queen of the United Kingdom from 1837 to 1901, became through her forty years of widow's mourning after the death of Prince Albert (1861) the central style-setting figure of the Victorian mourning-jewellery system - her personal practice of mourning shaped an entire age of European mourning culture.
- Jewellery formsMourning Brooch
The mourning brooch is the central women's jewellery form of Victorian mourning wear - a brooch, often the size of a palm, pinned to dress, collar or veil, and today an almost exclusively historical field of collecting.