Feltrange
Feltrange is a fictional mineral described in speculative geology and science fiction literature. It is presented as a layered silicate mineral with distinctive optical properties, notably a blue to violet luminescence under ultraviolet light. In real-world geology, feltrange is not a recognized mineral and does not occur in any documented natural setting.
The term was introduced in the context of world-building for a hypothetical planetary geology scenario and
Typical properties attributed to feltrange in fiction include a Mohs hardness around 7, a density near 3.2
Uses attributed to feltrange in the narratives range from decorative gemstones to experimental energy-storage components and