Calcédonia is not a full mineral species It is a form of cryptocrystalline quartz.
Mentioned by Agricola (1546) of a stone named after the city of Chalcedoine.
It is not a mineral but a specific arrangement of quartz crystallites. It is polycrystalline, that is to say composed of monocrystals (the crystallites) "glued" to each other.
Calcedonian is in massive nipple or stalactitic form. It is a very hard stone.
Dimensions (cm): 21x16.7x11.7
Weight: 4.17kg
DR250
Unique room
Small objects (up to 3 cm thick) are sent by post to letter followed. All other objects are sent to Colissimo. If you prefer another carrier, do not hesitate to contact us to make a quote.
| Delivery in France | Weight | Price |
| Mondial Relay (Specify your Advent relay point or after order) | € 5.00 EUR | |
| Letter followed | 0G–250g | € 5.00 EUR |
| Letter followed | 251g–500g | € 6.50 |
| Letter followed | 501g --1000g | € 10.00 EUR |
| Colissimo | 1001g --2000g | € 13.00 EUR |
| Colissimo | 2001g–5000g | € 20.00 EUR |
| International delivery | ||
| Weight | Price | |
| Letter followed | 0G–250g | € 13.50 EUR |
| Colissimo | 251g --1000g | € 17.70 EUR |
| Colissimo | 1001g --2000g | € 27.00 EUR |
