Wow!! BIG 15.18g D'Orbigny ANGRITE ACHONDRITE METEORITE SLICE. ONLY12 KNOWN - $3,995 - (Denver, CO)

Spectacular slice of the D'Orbigny Angrite Achondrite that weighs 15.18 grams. This gorgeous thin slice of D'ORBIGNY has several large vesicles that contained trapped asteroidal gases! Angrites are a rare group of achondrites consisting mostly of the mineral augite with some olivine, anorthite and troilite. The group is named for the Angra dos Reis meteorite. As of this writing there are only 12 known meteorites classified as angrites. Angrites are basaltic rocks, often having porosity, with vesicle diameters of up to 2.5 centimeters (0.98 in). They are the oldest igneous rocks, with crystallization ages of around 4.55 billion years.

Posted in Denver, CO, Collectibles
From ebay.com - 1 month ago