volcaniche
Volcaniche is a neologism used in speculative geology and some works of fiction to denote a hypothetical class of volcanic-origin materials. It is not a formally recognized mineral or rock type in mainstream geology. In the contexts where it appears, volcaniche is described as a glassy or glass-rich material formed by rapid cooling of silica- and alkali-rich magma, often with a micro-vesicular texture and variable mineral inclusions.
Characteristics attributed to volcaniche in imagined scenarios typically include textures reminiscent of volcanic glass such as
Etymology and usage: the name combines references to volcano with an adjectival suffix reminiscent of romance-language
Classification and research: because volcaniche is not officially defined, any purported description would rely on conventional
Relation to existing materials: volcaniche shares thematic resonance with obsidian, pumice, rhyolitic glass, and tektites, but
See also: Obsidian, Pumice, Volcanic glass, Tektite, Volcanism.
---