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Chalcedony in the broad sense refers to all varieties of microcrystalline quartz, agate, dendritic agate, agate moss, common chalcedony, chrysoprase, carnelian, heliotrope, jasper, onyx, sardoine.

Some understand chalcedony only the white-gray-bluish variety, the common chalcedony. Always porous chalcedony can be painted. Also, most of the chalcedoines currently marketed are painted, which the CIBJO (world jewelery confederation) admits as A customary practice being part of the usual and customary and therefore not to be mentioned (except for the chrysoprase). An ordinary chalcedony painted green should be called green agate. A gray / milky white chalcedony is called ordinary chalcedony, blue blue, blue chalcedony blue. Green a chrysoprase, a red red a tourmaline, red brown a sardoine and black an onyx. Chalcedony has a hardness of 6.5 on the Moshs scale.

And do not forget, all the stones are fragile! Even the diamond ....

Chalcedony can be mounted in ring, earrings or pendant.

See my creations jewelry unique pieces, chalcedony ring, chalcedony earrings or chacedony pendant orchacedony or chalcedony on paper.

About the author

Julie Cailleux Mialet, Designer & Gemmologist, has revisited the Gemstone Universe with her High Standard Collection of Necklace, Rings and Earrings by cleverly mixing Pearls, Rough Rocks, Fine or Precious Gems. By her expertise, professionalism, dynamism but also by her Stonecutters and Brokers contacts through the world; Julie will be able to advise you in regards to Gemstone. Gemmology is her passion which allow her to introduce, to her customers, gems that are not well know on the French Market. Ladies that loves gems and jewels loves her creations. Her Necklaces, Rings or Earrings are suited to all type of fabrics, seasons and moods. Her creations are realised in her Paris’ Studio and respect the norm of ‘La Joaillerie Française’ With large variety of prices, quality product, designer style, personalised advise and a sales point at the Paris’ Village Suisse; Les Pierres de Julie is a must go places to find a jewel or unique piece to offer.