DescriptionPRODUCT DESCRIPTIONStunning green Aventurine tumble chip necklaces Aventurine from Zimbabwe is a beautiful and vibrant variety of quartz known for its translucency and shimmering effect, known as aventurescence. This effect is caused by mineral inclusions, typically mica or hematite, which create a sparkling, metallic luster throughout the stone.PRODUCT MINERALS Quartzite, Silicon Dioxide PRODUCT FEATURES Translucent, Platy, AventurescencePRODUCT COLOUR GreenMOHS HARDNESS SCALE6.5 to 7PRODUCT DATA Locality = ZimbabweGrade = A GradeSize = 60 x 15 mm