23 Feb Chalcedony Geode Crystal
Chalcedony Crystal Chemical Composition: SiO2 Astrological Sign of Cancer & Sagittarius Chalcedony is considered to be a variety of Quartz. It is either transparent, translucent, or opaque. It occurs as stalactites, in botryoidal form, and in the lining of cavities of rocks, and is a cryptocrystalline variety of...