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catalog Rocks Raw rocks : 7 products

Raw rocks and minerals | Raw rocks | sales of Chalcedony

Chalcedony is a mineral belonging to the microcrystalline quartz family, more precisely, it is a variety of silica, composed of silicon dioxide. It is characterized by its fibrous and compact crystalline structure, and its color can vary from translucent to opaque, with shades ranging from white to gray, including blue, brown and black.
-37%
Blue chalcedony
190 grams
75x45x40 mm
-36%
Blue chalcedony
135 grams
60x40x50 mm
-37%
Blue chalcedony
225 grams
65x65x45 mm
-37%
Calcedoine from brazil
220 grams
55x50x50 mm
-25%
Calcedoine from brazil
140 grams
80x55x30 mm
-25%
Calcedoine from brazil
165 grams
65x50x40 mm
-36%
Calcedoine from brazil
205 grams
60x60x40 mm