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interior has abundant metal-grains
Prehnite forms in cavities in basaltic lavas
show a typical gray-green color and sometimes visible brecciation (light and/or dark clasts)
especially its celestial blue color
Color: Black with Yellow 6 Rays Star
Gallejaur Impact Melt Rock | 418 grams | Gallejaur Crater | Sweden briolette interior has abundant metal-grainsThis is a 418 gram impact melt rock from the Gallejaur Crater, northern Sweden. 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 shock metamorphosed target rocks, melts or suevites
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