Dendritic Black Opal 8mm Round - 15-16 Inch Color_Gold Botswana Agate was formed nearly

Botswana Agate was formed nearly 187 million years ago by lava flowing in waves from long faults in the earth

peach or light red and may also include colorless Quartz

blush color is deceptive

Crazy Lace Agate is named for its swirling and circular patterns

Dendritic Black Opal 8mm Round - 15-16 Inch Color_Gold Botswana Agate was formed nearlyThis 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.