Large "Puffy" Green Aventurine Heart on top of a quartz

on top of a quartz matrix

down to the smallest fin and thinest bone

pine cones

allowing for the formation of the rock rhyolite

Large "Puffy" Green Aventurine Heart on top of a quartzSize: 3. 0 in. Weight: 8. 3 oz Green Aventurine is a variety of translucent quartz that contains inclusions. Light entering the mineral reflects off these inclusions. This is known as "aventurescence" and is present in other minerals. Aventurine is derived from the Italian word "venture" meaning chance. Green aventurine contains chromium rich mica known as fuchsite. Other colors of aventurine can be caused by inclusions of lepidolite, hematite,