Yellow Calcite 10mm Round A Grade - 15-16 Inch Shape_Double Drill Red Aventurine is a peach

Red Aventurine is a peach to orange colored translucent Quartz with inclusions of Mica or other minerals

all organic parts are replaced by minerals

then brought to the surface by volcanoes and earthquakes

while the amount of Iron in the stone varies its shade of purple

Yellow Calcite 10mm Round A Grade - 15-16 Inch Shape_Double Drill Red Aventurine is a peachCalcite 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.