Jadeite and jade are two different types of minerals that are often used interchangeably to refer to a green-colored gemstone that has cultural and spiritual significance in many parts of the world.

Jadeite is a pyroxene mineral with the chemical formula NaAlSi2O6. It is one of the two types of minerals that are commonly referred to as "jade" (the other being nephrite). Jadeite is a relatively rare mineral that is found in metamorphic rocks in certain regions of the world, including Myanmar (formerly Burma), Guatemala, and California. It is known for its bright green color, which is caused by the presence of chromium and other trace elements. Jadeite is also valued for its hardness and toughness, which makes it suitable for use in jewelry and other decorative objects.

Jade, on the other hand, is a term that is used more broadly to refer to a variety of green-colored more...

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A South Australian Colonial hardstone cameo brooch by Henry…

SA Colonial Hardstone Cameo Brooch by Henry Steiner

A South Australian Colonial hardstone cameo brooch by Henry Steiner c.1880's set in 15ct yellow gold, the central cameo carved in relief depicting a classical maiden portrait case marked H. Steiner Jeweller and Watchmaker, 108 Rundle Street Adelaide…

A jade and diamond brooch, the central carved floral and…

Jade and Diamond Floral Brooch

A jade and diamond brooch, the central carved floral and foliate jade plaque to a spray style diamond set mount, in platinum.

Two jade openwork plaques Qing dynasty, 19th century, one…

Jade Openwork Plaques: Butterfly and Ruyi Head Forms

Two jade openwork plaques Qing dynasty, 19th century, one carved in the form of a butterfly, the reverse mounted with a clasp as a brooch, the whitish stone with a faint russet vein; and another of ruyi head form with three bats and pendant qing, the pale…

A 19th century hardstone cameo brooch, layered agate cameo…

Greek Mask Hardstone Cameo Brooch in 18ct Gold

A 19th century hardstone cameo brooch, layered agate cameo featuring Greek theatrical mask portraits set in an 18ct gold surround, underside test approx 15ct, size 37 x 30 mm.

Jade and diamond brooch, the terminals set with oval carved…

Jade and diamond brooch, the terminals set with oval carved plaques, rose and single-cut diamonds, weight 13.3gm, length 9.4 cm.

A jade & diamond brooch; pierced green jade tablet to an onyx…

Jade and Diamond Arrow Brooch

A jade & diamond brooch; pierced green jade tablet to an onyx border with arrow head motifs set with round brilliant cut diamonds and two emeralds in 18ct white gold. Dimensions 60 x 35 mm. Wt. 15.9g.

A jade and diamond spray brooch, 14ct white gold, made as a…

Jade and Diamond Floral Spray Brooch

A jade and diamond spray brooch, 14ct white gold, made as a 1950's style floral spray, detailed by four carved jade panels, each intense green in colour, accompanied by Hong Kong Lab Certification specifying type A, two claw set within frames of small…

A jadeite, onyx and diamond brooch, of Art Deco design,…

Art Deco Jadeite and Diamond Brooch

A jadeite, onyx and diamond brooch, of Art Deco design, centrally set with a carved jadeite plaque of dark green hue, surrounded by an onyx border with diamond and emerald detail, in 18ct white gold

Jade and diamond brooch, the rectangular jade plaque carved…

Jade and diamond brooch, the rectangular jade plaque carved with bird, fruit and leaf within an openwork frame of rose and brilliant-cut diamonds, weight 18.6gm, measuring 5.5 x 2.5 cm.

A pierced jade and diamond set butterfly brooch / pendant, 22ct…

Pierced Jade and Diamond Butterfly Brooch/Pendant

A pierced jade and diamond set butterfly brooch / pendant, 22ct yellow gold, made as a stylised pierced gold worked butterfly of fine rails of gold, edged in grain set detail with brilliant cut diamonds set, centred by a single flat pierced piece of oval…

18ct jade and diamond bar brooch central bright green oval jade…

Green Jade & Diamond Bar Brooch

18ct jade and diamond bar brooch central bright green oval jade panel with surround of 30 single cut diamonds

A carved jade, onyx and diamond brooch, the rectangular apple…

Jade and Diamond Floral Brooch

A carved jade, onyx and diamond brooch, the rectangular apple green jade panel, carved with floral and foliate decoration, with onyx detail and a border of seventy one diamonds, totalling 1.16cts, in 18ct white gold., condition: 450 mm x 90 mm, stamped on…

Platinum and 14ct gold, jade, enamel and diamond clip brooch,…

Jade and Diamond Floral Clip Brooch

Platinum and 14ct gold, jade, enamel and diamond clip brooch, circa 1920, the oval-shaped jade plaque carved and pierced with floral motifs is surmounted by a line of scroll motifs pave-set with circular-cut diamonds between a stylised gold bar applied…

18ct two-tone gold, amethyst, jadeite and diamond brooch,…

Austrian Two-Tone Gold Flower Brooch with Amethyst and Diamonds

18ct two-tone gold, amethyst, jadeite and diamond brooch, Austrian; modelled as a bouquet of flowers, the flowerheads of carved amethyst and leaves of carved nephrite, decorated throughout with single and brilliant-cut diamonds together weighing…

18ct gold, ruby, diamond and hardstone 'Squirrel' brooch, van…

Van Cleef & Arpels Squirrel Brooch

18ct gold, ruby, diamond and hardstone 'Squirrel' brooch, van Cleef & Arpels, circa 1955, modelled as a squirrel sitting on a branch eating a nut, the eye accented with a circular-cut ruby, to a brow framed with circular-cut diamonds, the stomach…