Yellow Calcite 10mm Round A Grade - 15-16 Inch Stone Type_African Petrified Wood Agate Spinel is a hard vitreous

Spinel is a hard vitreous magnesium aluminum oxide

It is not a mineral

Read more about "DZI" beads in our blog "Heaven's Beads - DZI Beads Explained"

Agate was used for medicinal purposes in ancient Greek and Egyptian civilizations

It can bring back good luck and bring happiness to the user

Yellow Calcite 10mm Round A Grade - 15-16 Inch Stone Type_African Petrified Wood Agate Spinel is a hard vitreousCalcite 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.