Biotite 8mm Round Orange - 15-16 Inch Mixed Stone Our Red Terra Agate is

Our Red Terra Agate is dyed to give a unique

olive green and gray-green

where it gets its name

Blue Crazy Lace Agate is actually Mexican Crazy Lace Agate that has been color enhanced with blue to bring out the beautiful patterns in the stone

Due to its natural porosity

Biotite 8mm Round Orange - 15-16 Inch Mixed Stone Our Red Terra Agate isBiotite is a name used for a large group of black mica minerals that are commonly found in igneous and metamorphic rocks. These include annite, phlogopite, siderophyllite, fluorophlogopite, fluorannite, eastonite, and many others. The name "biotite" is used because these minerals generally cannot be distinguished without optical, chemical, or x ray analysis. Biotite was named in honor of the French physicist Jean Baptiste Biot, who performed early