Botswana Agate 6x8mm Triangle Cut Faceted Rice Bead - 15-16 Inch Shape_Oval LH but a combination of minerals

but a combination of minerals

Origin: Madagascar

It ranges from almost completely transparent to an almost opaque brownish to gray crystal

often occurring with inclusions of white

Botswana Agate 6x8mm Triangle Cut Faceted Rice Bead - 15-16 Inch Shape_Oval LH but a combination of mineralsBotswana 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.