Dendritic Black Opal 4mm Round - 15-16 Inch hps_05162024 Moroccan Agate occurs in striking

Moroccan Agate occurs in striking colors of red

grinding wheels and cutting disks

” which translates to “stone of many colors

features intricate light brown patterns on dark brown stones

It is sometimes used for scalpel blades in cardiac surgery

Dendritic Black Opal 4mm Round - 15-16 Inch hps_05162024 Moroccan Agate occurs in strikingThis variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, manganese and other metallic oxides captured during the forming of the rock. Opals are hydrated amorphous forms of silica, created when silica hardens within the fissures of other stones.