A crystal-anemone with a translucent body of growing gemstone formations and tentacle-fronds of branching mineral spires, anchored to a luminescent crystal cavern floor deep beneath a mountain at twilight where phosphorescent mineral veins glow through obsidian walls, scientific field notes cross-section mapping mineral-depositing tissue membranes and crystal-conducting nervous systems, palette of amethyst purple, obsidian black, mineral white and pale rainbow prismatic refractions, Victorian natural history geological expedition illustration aesthetic