Botswana Agate 6mm Round - Large Hole Beads Protection Opal is a natural gemstone

Opal is a natural gemstone made from silica mineral and 90% are found in Australia

Bloodstone was known in antiquity as Heliotrope

Pink Opal is a variety of non to precious opal

including browns

Naturally occurring in hues of blue-green to green with spots and streaks of red

Botswana Agate 6mm Round - Large Hole Beads Protection Opal is a natural gemstoneBotswana 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.