US$ 38.00
The two most popular classes of Australian Opal are Black Opal mined in Lightning Ridge and Fire Opal
are more special than most
orange and rust are due to traces of hematite within the stone
Ruby and Sapphire
from light blue to lapis blue to cobalt
Yellow Calcite 10mm Round A Grade - 15-16 Inch bicone_beads The two most popular classesCalcite 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.
US$ 38.00
US$ 125.00
US$ 200.00
US$ 110.00
US$ 100.00
US$ 130.00
US$ 120.00