Emerald flame (by CoolbieRe)
Mars’ Korolev Crater: A 50-mile-wide reservoir of water ice.
via reddit
Superb specimen of amethyst geode with pink-green calcite inside From Brazil
Amazing Geologist
First Quarter Moon from 12/16/2018
via reddit
Heron Silhouette at Sunset (via U.S. Fish and Wildlife Service Northeast Region)
Heron Silhouette at Bombay Hook National Wildlife Refuge.
Credit: Tim Williams USFWS
Witch’s whistle with death skull and rat’s foot, probably 1800 - 1899, Europe [2048 × 1031]
Paracas vessel, ca. 200 BC–AD 1. Ica Region, Peru. [1000 x 1128]