In this structure

or needle-shaped inclusions of tourmaline running through the stone

Name: Rondiceras tschefkini Ammonite

Color: Bright Yellow

Impact Melt Rock | 28.4 grams | Stac Fada Impact Structure | NW Scotland Amphibole In this structureThis is a must have 27. 4 gram Impact Melt Rock from the Stac Fada Member Impact Structure, NW Scotland. It measures 66x37x5 mm. Although not a meteorite, impactites are directly linked to them and their impacts and are probably going to be one of the rarest collection items you'll ever own. Impactite is a slag like glassy object found on the surface of the earth, formed from rock melted by the impact of a meteorite. The term impactite encompasses