Yellow Calcite 10mm Round A Grade - 15-16 Inch bicone_beads from light blue to lapis

from light blue to lapis blue to cobalt

It really adds to the  look of these interstellar objects and creates even more eye-catching appeal

It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the stone

Many stones in the Russian crown jewels from the 17th century which were thought to be rubies are actually red Tourmaline

Yellow Calcite 10mm Round A Grade - 15-16 Inch bicone_beads from light blue to lapisCalcite is a rock forming mineral that is extremely common and found throughout the world in sedimentary, metamorphic, and igneous rocks. Calcite is the principal constituent of limestone and marble. These rocks are extremely common and make up a significant portion of Earth's crust.