Tag Archive | jet

What is French Jet jewellery made from? Info and guide here!

Shopping around for black jewellery, you many come across a term called ‘French Jet’. While it sounds romantic or even like a gemstone in its own right, French Jet simply a fancy word for good old black glass.

It became popular during the Victorian period (1837 – 1901) when black jewellery was very fashionable. Genuine Jet (which is a real gemstone, most famously found in the Whitby area on the east coast of England) was the most sought after material for making black Victorian jewellery, but due to demand and increasing scarcity it was became expensive. Black glass was a much cheaper alternative.

Where the actual name French Jet comes from is unclear. The glass beads and stones themselves were usually made in the great glass making countries of Europe, such as Austria and the Czechoslovakia regions, and then sent through to other countries (including England and France) to be made into jewellery.

Other black materials used in Victorian mourning jewellery are: onyx, Vulcanite (a type of early rubber), Gutta Percha, genuine real jet, and bog oak (ancient fossilized wood type material usually found in Ireland).

Quick glance identity to mourning jewellery materials:

vintage french jet glass large earrings glass 60s

French Jet = made from glass, feels cold, hard to touch. Can be quite heavy. Shiny and reflective. Will warm up when held in you hand. Makes a distinctive high pitched ‘chink’ sound if gently tapped on teeth.

 

antique vintage victorian whitby jet two row bead necklace jewellery mourning

Genuine Jet gemstone (eg Whitby Jet) = feels warm, quite soft to the touch, with an almost plastic/ oily feeling. Makes a much duller ‘chink’ when held.

 

Onyx vintage sterling silver brooch jewellery

Onyx = very cold, hard to touch. Heavy to hold. Shiny and reflective. Will not warm up when held in you hand and will remain cold ( here’s a tip – many natural gemstones won’t warm up when held). Makes a distinctive high pitched ‘chink’ sound if gently tapped on teeth. Easily mistaken for glass – if in doubt get it looked at by an expert.

Bog Oak = usually only seen in brooches. Look under a magnifying glass to see wood grain texture. Often depicts Irish scenes, castles and motifs.

Antique Victorian Vulcanite Ivy leaves brooch jewellery mourning

Vulcanite = warm and soft like plastic. Originally black like jet, it often fades with age to a brown colour. Rub Vulcanite and you’ll smell rubber.

Gutta Percha = rare, similar to Vulcanite except one important difference – the taste test. Be careful with this, as moisture can permanently stain old Gutta Percha. With a dry tip of the tongue, gently press your tongue on the jewellery. Gutta Percha tastes very salty!

 

Some gorgeous vintage French Jet jewellery ..

Antique Victorian French Jet bar mourning brooch jewellery

Antique Victorian French Jet bar mourning brooch jewellery, circa 1880s.

Vulcanite and French jet Victorian pendant

Vulcanite and French jet Victorian mourning pendant jewelry circa 1880s – an unusual mix!

vintage 1980s french jet glass clamper black bangle jewellery

vintage 1980s French jet glass clamper black bangle jewellery

vintage 1970s french jet glass diamante black tassel drop brooch (2)

vintage 1970s French jet glass diamante black tassel drop brooch jewellery

 

french jet oval faceted pendant glass bead necklace (2)

Modern French jet oval faceted pendant glass bead necklace

vintage exquisite signed french jet 2 row necklace 60s

Vintage 2 row French Jet necklace with stunning diamante clasp, signed Exquisite, circa 1960s.

 

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