Aa grade green Mexican Amber 11.6g Nice Round shape pendant

Aa grade green Mexican Amber 11.6g Nice Round shape pendant Weight is 11.6g Nice Round shape pendant. With small crack in edge. Grade AA Fully polished with blue green color in sunlight and other lights. SKU 996 - VA Mexican Amber occurs in the coal sediments as nodules or in sheets of variable thickness. Heavy compressed due lithification process, this amber shows encrusted textures to bright, semicrystalline surfaces due to weathering. Molds and crust linked to tree bark are also observable in amber with sheet forms. Several amber samples (mostly nodular shapes) show depositional episodic layers; this is consistent with different events of production. The resin was successively accumulated forming a hardened mass with multilaminar layers. Living resin-producing trees show similar seasonal variations with increased resin depositions during summer. This amber occurs in rocks from the Mazantic and Balumtum Formations, dated as earlymiddle Miocene in age. The amber deposits are