priskyr
Priskyr is a term that appears in speculative geology and in science fiction worldbuilding to describe a rare mineral with distinctive optical properties. It is not recognized as a mineral in mainstream scientific literature, but is used in oblique discussions of hypothetical mineralogy and in fictional settings.
The name priskyr is a constructed term chosen for its evocative sound. In most uses it functions
In descriptions that accompany worldbuilding or speculative studies, priskyr is said to form hexagonal or prismatic
Speculative accounts propose formation under extreme conditions, such as ultra-high-pressure metamorphism in subduction zones or unusual
Uses and cultural significance
Within worldbuilding, priskyr is valued for its striking appearance and imagined stability in advanced optical devices
Other minerals notable for optical effects, such as alexandrite, cordierite, and beryl.