brackettiin
Brackettiin is a fictional mineral described in speculative fiction and constructed-world lore. The name combines bracket-like motif imagery with the common mineral suffix -iin, and is used to evoke orderly, repeating subunits.
In the lore, brackettiin forms in deep subterranean pockets of karst regions when bracket-shaped nanocrystals align
Physical properties attributed to brackettiin include a Mohs hardness around 7–8, a density near 6.2 g/cm3, and
Natural occurrence is limited and highly localized, making brackettiin a coveted resource in the fictional worlds
Applications within the fiction include high-density energy storage, photonic crystals for communications, and precision optics for
See also: fictional minerals, photonic crystals, nanomaterials in speculative fiction.