“Blue John” Stone Inkwell

This stone inkstand is a premier example of British lapidary work, featuring the rare and celebrated mineral Blue John.

Description

• The Stone: The entire piece, including the base and the hinged lid, is crafted from Blue John (also known as Derbyshire Fluorite). This rare stone is famous for its distinctive, natural banding in shades of deep purple, creamy white, and amber-yellow.
• The Base: The inkstand has a heavy, rectangular base with canted corners and a polished finish. A single, shallow pen groove is carved into the front of the base to hold a dip pen.
• The Well and Lid: A single circular well is mounted toward the back. It features a domed Blue John lid attached by an ornate, silver-toned metal hinge decorated with a floral scroll pattern.
• Internal Components: The well contains its original clear glass insert.

Origin and Identification

• Where Made: Castleton, Derbyshire, England. Blue John is a rare variety of fluorite found exclusively in the Blue John Cavern and Treak Cliff Cavern in Derbyshire.
• When Made: Circa 1860–1880. This style of desk accessory was highly popular during the mid-Victorian era, when Blue John was extensively mined and fashioned into luxury decorative objects for the elite market.
• Who Made It: While the metal mounts are unmarked, such pieces were typically produced by skilled Derbyshire lapidaries in Castleton or Buxton, who specialized in the delicate task of turning and polishing this brittle mineral.

Determining the specific workshop for a Blue John inkwell without hallmarked metal mounts is challenging, as the mid-to-late 19th-century trade was a collaborative effort between local Derbyshire lapidaries and manufacturing silversmiths in nearby cities.

Possible Workshops and Craftsmen

By the 1860s–1880s, the production of Blue John ornaments was concentrated in a few key locations near the source of the mineral:

• John Tym (Castleton): One of the most famous and highly skilled lapidaries active in the mid-19th century. He was renowned for creating complex Blue John ornaments and specialized windows, and his workshop in Castleton produced high-quality functional items for the Victorian elite.
• The Hallam Family (Castleton): Prolific local miners and workers of the stone throughout the 19th century who often sold finished articles directly to tourists and retailers.
• Buxton and Castleton Lapidaries: Numerous smaller family workshops in these two towns specialized in “turning” the fragile fluorite into vessels and desk accessories, often outsourcing the metal mounts to silversmiths in Sheffield or Birmingham.

The Metal Mounts and Retailers

The floral scroll hinge pattern is characteristic of the High Victorian style. While the stone was worked in Derbyshire, the mounts were frequently provided by specialized metalworking firms:

• Birmingham Silversmiths: Firms like Matthew Boulton’s Soho Manufactory pioneered the mounting of Blue John in the 18th century. By 1860, many Birmingham producers of small luxury goods supplied the hardware for Derbyshire stone sets.
• Sheffield Plate and Sterling Firms: Because of its proximity to Derbyshire, Sheffield makers often provided the silver-toned hinges and rims for luxury stone items found in the local caverns’ shops.

Manufacturing Notes

• Fragility: Blue John is extremely brittle (hardness of 4 on the Mohs scale). To prevent it from shattering during the turning process, 19th-century craftsmen used a “trade secret” method of drying the stone for a year or two and then impregnating it with pine resin.
• Rarity: Because the mineral is found only in the Blue John and Treak Cliff Caverns, any authentic 19th-century piece is inherently a product of the Castleton district.

Link to a video about Blue John

Derbyshire Blue John – James Lewis explains history and antiques In this video, auctioneer James Lewis provides a comprehensive overview of Blue John’s history, its distinctive use in antique ornaments, and how to identify authentic 19th-century pieces.