Chalcedony Collection

Jasper
A polished slab of jasper from Campsie Fells, Stirlingshire. Jasper is cryptocrystalline agate quartz (silicon dioxide)

Agate bowl, grey and white
Agate is a decorative variety of cryptocrystalline quartz (silicon dioxide). This bowl specimen is from the collections of the Natural History Museum, London

Medallion with late Roman cameo insert, 4th-6th century. Creator: Central Asian Art
Medallion with late Roman cameo insert, 4th-6th century. Found in the Collection of the National Museum of Antiquities of Tajikistan, Dushanbe

Medallion with late Roman cameo insert, 4th-6th century. Creator: Central Asian Art
Medallion with late Roman cameo insert, 4th-6th century. Found in the Collection of the National Museum of Antiquities of Tajikistan, Dushanbe

Sacrificial knife, Aztec / Mixtec, Mexico, 15th-16th century
Sacrificial knife, Aztec/Mixtec, Mexico, 15th-16th century. The handle is carved in wood and covered with mosaic of turquoise, shell and malachite. The blade is made of chalcedony

Agate stones, Agata
6337609 Agate stones, Agata by Corsi (19th century); (add.info.: Agate stones, Agata. Handcoloured copperplate stipple engraving from Antoine Laurent de Jussieus Dizionario delle Scienze Naturali)

Snuff Bottle with Equestrian Bannerman with Flag, Qing dynasty (1644-1911), 1800-1900

Snuff Bottle with Monkey on Rockwork, Qing dynasty (1644-1911), 1760-1830

Gourd-Shaped Double Snuff Bottle, Qing dynasty (1644-1911), 1780-1880. Creator: Unknown
Gourd-Shaped Double Snuff Bottle, Qing dynasty (1644-1911), 1780-1880

Cameo of Venus and Cupid, Probably a Hat Badge Mounted as a Pendant, Northern Italy, c. 1500-c. 1550 (cameo and frame); c. 1575-c. 1600 (pendant)

Pendant with a Cameo of Orpheus Charming the Animals, Europe, c. 1550-c. 1600 (cameo); 19th or 20th century (mount)

Loop-Handled Dish, England, 1902 / 03. Creator: Charles Robert Ashbee
Loop-Handled Dish, England, 1902/03

Aphanite and chalcedony flint
Aphanite 1, and chalcedony flint with mastoids 2. Afanite, Selce calcedonioso a mastoidi. Handcoloured copperplate stipple engraving from Antoine Laurent de Jussieus Dizionario delle Scienze

Onyx agate. Agata onice, con la sua scorza, a zone innumerevoli. Handcoloured copperplate stipple engraving from Antoine Laurent de Jussieus Dizionario delle Scienze Naturali

Sealstone depicting a fox with forelegs on a vine with grapes (chalcedony stone)
1216277 Sealstone depicting a fox with forelegs on a vine with grapes (chalcedony stone) by Greek, (5th century BC); 1.6x2.1 cm; Ashmolean Museum, University of Oxford

Gems
LLM456770 Gems by English School, (19th century); Private Collection; (add.info.: Gems. Illustration from The National Encyclopaedia (William Mackenzie, c 1870).); © Look and Learn

Schmelzglas by Salviati and Co. of Venice (exhibited London 1862)
BAL2758 Schmelzglas by Salviati and Co. of Venice (exhibited London 1862) by Italian School, (19th century); Victoria & Albert Museum, London, UK; Italian, out of copyright

Bust of Archangel Michael (chalcedony)
1216361 Bust of Archangel Michael (chalcedony) by Byzantine; 2x1.6 cm cm; Ashmolean Museum, University of Oxford, UK; (add.info.: Cilicia bust of Archangel Michael in front)

Jewelry Elements, Iran or Central Asia, late 14th-16th century. Creator: Unknown
Jewelry Elements, Iran or Central Asia, late 14th-16th century. Few examples of medieval Islamic jewelry survive, this resembles pieces from Ilkhanid depictions

Portrait of the Jeweller Johann Melchior Dinglinger, c1721. Artist: Antoine Pesne
Portrait of the Jeweller Johann Melchior Dinglinger, c1721. Johann Melchior Dinglinger (1664-1731) was one of Europes greatest goldsmiths

Chalcedony cylinder-seal in the first Kassite style, owned by Sha-if-Imma, son of Lugal-Mansi

Head Bull 3000-2000 BC Sumerian Iraq Tigris-Euphrates valley
Head of a Bull, 3000-2000 BC. Sumerian, Iraq, Tigris-Euphrates valley, 3000-2000 BC. Chalcedony; overall: 3.1 x 2.9 x 4.3 cm (1 1/4 x 1 1/8 x 1 11/16 in.)

Egyptian art. Tutankhamuns pectoral. Dynasty 18. 1332-1322
Egyptian art. Tutankhamuns pectoral with solar and lunar emblem and Scarab. Dynasty 18. 1332-1322 BC. New Kingdom of Egypt. Egyptian Museum Cairo

Fortification agate
A section of fortification agate from Scurdie Ness. Agate is cryptocrystalline quartz. This specimen is from the collections held at the Natural History Museum, London

Precious stones and crystals including quartz, amethyst, etc.. Chromolithograph from Dr. Adolph Kenngotts Mineralogy section in Gotthilf Heinrich von Schuberts Natural History, Schreiber, Munich, 1886

North America; USA; New Mexico; Sant Fe; Agate Closeup, Macro
USA, New Mexico, Sant Fe, Agate Close-up, Macro

Hat Badge Representing Prudence; Unknown; France, Europe; 1550 - 1560; Gold, enamel (white, blue, red and black), chalcedony

Madonna and Child with an Angel; Unknown maker, Venice; Venice, Italy, Europe; early 1500s; Chalcedony; Object: H: 15.6 x W: 11.1 x D: 6cm (H: 6 1/8 x W: 4 3/8 x D: 2 3/8 in.)

Necklace with Cameo Pendant; Unknown; Roman Empire; 250 - 400; Gold, garnet, and chalcedony cameo; Object: Diam.: 4.4 x L: 55.4 cm (1 3/4 x 21 13/16 in.)

Portrait of Antonia Minor; Unknown; Italy, Europe; 41 - 54; White chalcedony; Object: H: 5 cm (1 15/16 in.)

Night Clock; Case and hardstone mosaics by Giovanni Battista Foggini, Italian, 1652 - 1725, Woodwork by Leonard van der Vinne, Flemish, active second half of 17th century - 1713

Picture No. 11050170
Chalcedony Agate (SiO2) variety Rio Grande do Sul, Brazil Date:

Botryoidal chalcedony, close-up

Chryosprase, a form of chalcedony, on rock surface, close-up

Collection of semi-precious minerals including amethyst, carnelian and lapis lazuli, and semi-precious beads made from quartz, chalcedony, agate, lapis lazuli, turquoise, rhodonite, malachite, garnet

Oval polished green Chrysoprase (Chrysophrase or Chrysoprasus)

Jasper, a form of chalcedony, close-up

Massive carnelian, close up

Cross-section slice of Brazilian agate, close up

Great Cameo of France, sardonyx cameo depicting apotheosis of emperor Tiberius and Germanicus paying homage to emperor
Roman civilization, 1st century A.D. Great Cameo of the Holy Chapel or Great Cameo of France portraying the apotheosis of Tiberius and Germanicus paying homage to the Emperor. Chalcedony

Great Cameo of the Holy Chapel or Great Cameo of France depicting the apotheosis of Emperor Tiberius
Roman civilization, 1st century A.D. Great Cameo of the Holy Chapel or Great Cameo of France depicting the apotheosis of Emperor Tiberius and Germanicus paying homage to emperor. Chalcedony

Agate C013 / 6529
Agate. Section through a specimen of agate from Middlefield, Scotland, UK. Agate is an aggregate of different forms of silica (SiO2) within a geode

Agate geode

Agate Botswana

Agate
Blue lace

Turritella agate

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Chalcedony, a variety of the mineral quartz, is known for its stunning beauty and versatility. Its name originates from the ancient Greek city of Chalcedon, where it was first discovered. This captivating gemstone comes in various forms and colors, such as jasper and agate. One remarkable example of chalcedony's allure is an exquisite grey and white agate bowl. Crafted with precision and skill, this bowl showcases the stone's natural patterns in a mesmerizing display. Intriguing historical artifacts also feature chalcedony prominently. Take, for instance, a sacrificial knife from Aztec/Mixtec culture in Mexico during the 15th-16th century. Adorned with chalcedony stones, this ceremonial weapon symbolizes power and spirituality. Chalcedony's charm extends to delicate snuff bottles created during China's Qing dynasty (1644-1911). A snuff bottle featuring an equestrian bannerman holding a flag captures the essence of Chinese artistry between 1800-1900. Another bottle portrays a playful monkey atop rockwork dating back to 1760-1830. Meanwhile, a gourd-shaped double snuff bottle crafted by an unknown artist during 1780-1880 demonstrates creativity within traditional Chinese craftsmanship. The allure transcends time and borders; even Europe has been captivated by its beauty throughout history. A pendant cameo depicting Venus and Cupid likely served as a hat badge mounted on jewelry originating from Northern Italy. Similarly enchanting is another pendant showcasing Orpheus charming animals through intricately carved chalcedony cameo work dating back to c. 1550-c1600. Not limited to ornamental purposes alone they can be found adorning functional objects like loop-handled dishes made by Charles Robert Ashbee in England during 1902/03.