Botswana Agate 6x8mm Triangle Cut Faceted Rice Bead - 15-16 Inch Shape_Oval LH The inclusions can be so

The inclusions can be so dense as to make the clear Quartz nearly opaque

It can even exhibit various colors within the same specimen

but a combination of minerals

as a gemstone that is cut into many shapes and often given a high polish

The yellowish colors of heliodor are usually caused by small amounts of iron within the mineral's crystal structure

Botswana Agate 6x8mm Triangle Cut Faceted Rice Bead - 15-16 Inch Shape_Oval LH The inclusions can be soBotswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Agate was formed nearly 187 million years ago by lava flowing in waves from long faults in the earth. This lava rolled across the landscape, depositing layer upon layer of Quartz silicate to create the banding and patterns now prized in Botswana Agate.