Chalcedony Identifier
Identify chalcedony (microcrystalline quartz) including blue/white/grey chalcedony vs agate, jasper, opal, calcite, glass, and dyed stones
Drag & drop photos here
or click to browse
JPG, PNG, WEBP accepted
0 of 3 images added
Add details for better accuracy (optional)
Upload up to 3 angles for the most accurate result
Identification Confidence
0%
Low confidence — try uploading more angles or add details above.
Description
Origin / formation
Is Chalcedony
Variety / hint
Translucency / luster
Banding / pattern
Fracture
Dye / treatment
vs look-alikes
Probable origin
Hardness (Mohs)
Luster
Rarity
Relative value
Notable localities / regions
Typical colours
Key properties
Similar materials
Alternative identifications
Authentication Tip
Note: Chalcedony vs dyed agate/glass often requires close inspection for dye concentrations and simple tests (hardness/RI). Photo ID is a starting point, not an appraisal.
Collector tip