** SOLD **
A rare gem named for its type locality, the Koshka valley, Badakhstan province, Afghanistan.
Afghanite is a chemically complex silicate mineral of the Cancrinite group which is usually only found as small crystals, rarely in massive microcrystalline form.
This faceted example is a veined, opaque gem which displays the charateristic moderate orange fluorescent reaction when exposed to longwave UV light.
Image 5 is a microsope photograph of the royal blue flecks within the gem.
weight: 1.17 carats
shape: Mixed oval cut
dimensions: 9.93 x 8.34 x 4.30 mm