Botswana Agate 10mm Round - Large Hole Beads Stone Type_Larimar Biotite is a name used

Biotite is a name used for a large group of black mica minerals that are commonly found in igneous and metamorphic rocks

Peridot (pair-uh-doe) is one of only two gems

These cabochons are all unique and vary in colors and patterns

Green Aventurine

Weight: grams:75-90 grams

Botswana Agate 10mm Round - Large Hole Beads Stone Type_Larimar Biotite is a name usedBotswana 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.