Dendritic Opal 3x6mm Heishi - 15-16 Inch rounds_part_four It also occurs in golden

It also occurs in golden yellows and browns as well as milky white

mined in the Acerbate Mountains near Kingman

This later combined with additional silica in the groundwater as well as the minerals that give Mookaite its distinctive colors

Wild Horse was first found in the mid-90's near a remote copper mining city

but it is opaque as well

Dendritic Opal 3x6mm Heishi - 15-16 Inch rounds_part_four It also occurs in goldenThis 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.