Loose Faceted Gem

A single cut gemstone about 0.12m across, a chunky low-poly brilliant with a table, crown facets and a pavilion point, pickable and clonable, with a hue knob (ruby, emerald, sapphire, amethyst, clear) and a glow knob for an enchanted variant.

风格：low-poly, flat-shaded vertex colors, no textures, 2 materials: the shared opaque one plus a distinct surface (glass, water or chrome), which stays its own mesh through mergeAssets rather than merging into the rest; shares palette and scale with its kit