Chalcedony
Chalcedony is the name given to a family of chemically related stones. There are over sixty distinct varieties of chalcedony making it the largest families of stones. All chalcedonys are composed of SiO2 They form according to a trigonal crystal structure, and have a hardness of 7 on the Mohs scale.
*As we are consistently receiving new stock in store our staff will intuitively choose the perfect item for you. All images are only an indication of what is available as no two stones are the same*
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