Stone ground flat through a sequence of diamond abrasives but stopped short of mirror polish. Reads as a soft, even, low-sheen surface that shows the stone's color and pattern without the glassy reflection. Bathroom flooring, kitchen counters where matte is preferred, the floor of a hotel lobby.
Lapidary surface ground through a sequence of resin-bonded diamond pads — typically 50 / 100 / 200 / 400 / 800 grit — and stopped before the 1500 / 3000 polishing stages. Surface roughness Ra 1–4 µm. Color reads ~70–80% as saturated as polished (the polish brings out the wet-look chroma). More slip-resistant than polished; better at hiding water spots, fingerprints, and minor wear. Standard for travertine, limestone, slate; common spec for marble in modern interiors that want matte over Renaissance gloss.
character — even matte, slightly velvet hand, pattern visible without specular flash, fingerprint-tolerant.
Marble Institute of America / Natural Stone Institute care-and-finish guides; ASTM C1242 dimension stone terminology.
House vocabulary — terms ForMatter uses with intent.
Materials and processes for people who design and make things.
A local-first library of materials, processes, applications, and finishes — equal weight, citable everywhere, so a student can move from "what is this" toward "what's actually buildable here, now, by me." Part of the renato.design ecosystem — sibling of Plenum, Specimen, Ingenue, gesture, graf, and the Renato Rhino plug-ins. Form and matter, inseparable.
Half of teaching materials is teaching how the material is made into the thing. The standard subscription library was always light on that half. The wedge here isn't better samples or a prettier interface — it's treating Process as a peer entity, not a footnote.
Conway, Lefteri, Forty, Sparke, ASM, GIA. Every voice: Voices.
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