Mixed Dark Lepidocrocite 8mm Round - 15-16 Inch R1757 followed by a mild heat

followed by a mild heat treatment gives it the bright yellow color

The most common colour of aventurine is green

producing snowflake patterns

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

with mirrored or coordinating patterns that bring strong color

Mixed Dark Lepidocrocite 8mm Round - 15-16 Inch R1757 followed by a mild heatAn iron oxide hydroxide mineral, Lepidocrocite forms when iron containing substances rust underwater. It is commonly found in the weathering of primary iron minerals and in iron ore deposits, and can be red to reddish brown. When skillfully cut and polished, those substances add a delicate accent to the otherwise clear gemstone.