Stilbite Crystal in Matrix | 280 gr | Oregon, USA EH4 This specimen is certainly one

This specimen is certainly one of a kind

Origin:  Africa

grey to pale violet

This impactite was formed between 385 and 900 million years ago in Precambrian time when a meteorite crashed into the earth making a ~5 kilometers wide crater locally known as the Hallingdal Impact Crater

Stilbite Crystal in Matrix | 280 gr | Oregon, USA EH4 This specimen is certainly oneThis is a nice Stilbite specimen from Oregon, USA. There are two vugs contain pearly white stilbite crystals that are in excellent condition. The largest vug measures 32x32 mm, with the largest crystal measuring 12 mm. Stilbite is a zeolite mineral appreciated for its delicate crystal formations and pastel hues, ranging from colorless to white, yellow, pink, and peach. It forms distinctive tabular crystals with a bowtie or butterfly shape and exhibits