| commodity | chalcedony |
| class_a | 1000 |
| class_b | 100 |
| class_c | 10 |
| class_d | 1 |
| unit | t |
| name | Chalcedony |
| description | Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite.- http://en.wikipedia.org/wiki/Chalcedony |
| url | http://inspire.ec.europa.eu/codelist/CommodityCodeValue/chalcedony |
| commoditygroup | preciousAndSemiPreciousGemstones |
| red | 0 |
| green | 180 |
| blue | 186 |
| crm_2020 | null |
| commoditygroup_e_myb | Other minerals |
| commodity_and_e_myb | Chalcedony |
| subcommodity_and_e_myb | # |
| commodity_portal | Chalcodeny |