The crystal face of this piece is a natural window

Size:  14x12 mm incl

This impactite was formed 186 million years ago

Product Type: Topaz Ball Shape

Aegirine on Microcline Crystal | 78.2gr | Mount Malosa, Zomba, Malawi | SO24 Perky Box The crystal face of thisThis stunning Aegirine on Microcline crystal, with Quartz and Limonite, is the perfect combination for those looking for a unique and beautiful addition to their mineral collection! Aegirine, also known as acmite, is a rare and stunning black mineral. It is found in many locations around the world, but its most prized specimens come from Mount Malosa in Malawi, where it is often found in association with Microcline. Aegirine is usually black, greenish