Botswana Agate 10mm Round - Large Hole Beads Bicone ” has been often applied

” has been often applied to unlikely products

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

a silicate of calcium and magnesium -- from western Canada

but can also appear silver

gray and purple

Botswana Agate 10mm Round - Large Hole Beads Bicone ” has been often appliedBotswana 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.