grumbulloj
Grumbulloj is a rare silicate mineral described in mineralogical literature of the fictional world. It was first documented in 2089 by explorations in the Grumbhil Range. The name derives from the local language, with grumbul meaning shade and loj meaning stone. The mineral is notable for its color variability and faint luminescence under ultraviolet light.
Grumbulloj crystallizes in the monoclinic system and commonly forms short prismatic crystals or microcrystalline masses. It
Grumbulloj forms in high-temperature hydrothermal veins within metamorphic rocks and is often found alongside quartz, muscovite,
In practical terms, grumbulloj has attracted interest as a potential ceramic glaze additive and as a subject
The name is incorporated into local folklore, where veins of grumbulloj are said to hum faintly at