Orange Calcite 10mm Round AAA Grade - 15-16 Inch Stone Type_Black Silver Leaf Jasper What makes Opal distinct is

What makes Opal distinct is what is referred to as ‘play of color’

where it originated approximately 50 million years ago

revered by ancient civilizations as a sacred stone of protection

spirals or other shapes to harden

Since gemstones (natural

Orange Calcite 10mm Round AAA Grade - 15-16 Inch Stone Type_Black Silver Leaf Jasper What makes Opal distinct isCalcite 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.