Yellow Calcite 10mm Round A Grade - 15-16 Inch Stone Type_African Petrified Wood Agate All gemstones are fascinating and

All gemstones are fascinating and special

they appear dark or black

Black Gold Amazonite is a member of the Feldspar family and varies in hue from robin’s egg blue to blue-green to black

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

Spinel is a hard vitreous magnesium aluminum oxide

Yellow Calcite 10mm Round A Grade - 15-16 Inch Stone Type_African Petrified Wood Agate All gemstones are fascinating andCalcite 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.