Materials, Surfaces, and Textures for AI Image Prompts — AI Image Generation Guide

Materials, Surfaces, and Textures#

For convincing material rendering, combine four properties:

[base material] + [finish] + [condition] + [light interaction]

Example: blackened steel, satin finish, worn silver at exposed edges, broad cool reflections and tiny rust freckles around bolts.

Surface and tactile vocabulary#

Term	Visual/tactile meaning	Useful pairing
Smooth	Minimal visible relief or irregularity.	Smooth polished plaster.
Rough	Coarse uneven relief with broken highlights.	Rough-hewn stone.
Matte	Very low specular reflection; broad diffuse shading.	Matte ceramic glaze.
Satin	Soft restrained sheen between matte and gloss.	Satin-painted wood.
Semigloss	Moderate clear reflection without mirror sharpness.	Semigloss enamel.
Glossy	Strong bright reflections and crisp highlights.	Glossy lacquer.
Mirror-polished	Highly specular, environment-reflecting surface.	Mirror-polished chrome.
Brushed	Fine parallel abrasion lines create directional reflection.	Brushed aluminum.
Honed	Smooth matte stone finish without high polish.	Honed limestone.
Burnished	Smoothed and compacted by rubbing, often with uneven luster.	Burnished leather or clay.
Velvety	Dense fine nap with soft directional value changes.	Velvety flocking.
Silky	Smooth fine fibers with flowing highlights.	Silky fabric sheen.
Waxy	Soft low-gloss translucency and rounded highlights.	Waxy leaf surface.
Chalky	Dry pale powdery surface with low saturation.	Chalky mineral paint.
Powdery	Fine loose particles soften contours and collect in recesses.	Powdery pigment residue.
Grainy	Visible small particles or coarse structure.	Grainy sandstone.
Gritty	Hard sharp particles imply abrasion.	Gritty concrete dust.
Porous	Small voids absorb light and moisture.	Porous terracotta.
Pitted	Scattered cavities interrupt a hard surface.	Pitted cast iron.
Pebbled	Repeated rounded raised grain.	Pebbled leather.
Ribbed	Parallel raised channels.	Ribbed glass.
Corrugated	Alternating ridges and grooves, often sheet material.	Corrugated cardboard.
Embossed	Raised design pressed or molded into surface.	Embossed paper.
Debossed	Design pressed below surrounding surface.	Blind-debossed cover.
Hammered	Irregular shallow dimples catch broken reflections.	Hammered copper.
Crackled	Network of fine surface fractures.	Crackle-glazed ceramic.
Craquelure	Age-related fine cracking in paint or glaze.	Delicate varnish craquelure.

Metals#

Material	Characteristic cues
Stainless steel	Cool gray, corrosion-resistant, sharp specular highlights; `brushed`, `bead-blasted`, or `mirror-polished`.
Carbon steel	Darker utilitarian metal, may show mill scale, scratches, bluing, or orange rust.
Cast iron	Heavy dark gray, granular/pitted texture, seasoned black surface or rust.
Wrought iron	Forged irregularity, hammer marks, scrollwork, blackened finish.
Aluminum	Lightweight pale cool metal, soft highlights, anodized color, oxidation haze.
Titanium	Cool gray, high-tech satin finish; heat treatment can make blue-purple-gold bands.
Chrome	Bright cool mirror plating with crisp environmental reflections.
Nickel	Slightly warmer/smokier silver than chrome; brushed or polished.
Silver	Bright neutral-white metal; tarnishes toward charcoal or iridescent gray.
Pewter	Soft muted gray, low sheen, hand-cast character.
Copper	Warm red-orange metal; fingerprints, oxidation, verdigris.
Brass	Yellow-gold copper alloy; polished, brushed, antiqued, or tarnished brown.
Bronze	Brown-gold metal with dark recesses and green/blue patina.
Gold	Dense warm yellow metal with rich reflections; distinguish leaf, plating, and solid metal.
Zinc	Cool blue-gray mottled surface; develops cloudy patina.
Galvanized steel	Zinc-coated steel with crystalline spangle pattern.
Corten / weathering steel	Stable layered orange-brown oxide surface.

Metal finish and condition terms#

Anodized: integral colored oxide on aluminum or titanium, usually satin and precise.
Blued: dark blue-black protective steel finish with subtle cool reflections.
Blackened: chemically or thermally darkened metal with retained texture.
Powder-coated: opaque even colored polymer finish, often matte or satin.
Electroplated: thin reflective metal coating over another substrate.
Patinated: chemically aged color, often uneven in recesses.
Tarnished: dulled or discolored by reaction; silver blackens, brass browns.
Oxidized: reacted surface; specify color and distribution.
Verdigris: turquoise-green copper-alloy corrosion, especially in crevices.
Rusty: orange-to-dark-brown iron oxide with flakes, runs, and pitting.
Heat-discolored: blue, violet, straw, and bronze bands near welds or flame exposure.
Machined: precise tool paths, concentric lines, milled edges, and crisp chamfers.
Cast: subtle mold seams, draft angles, pores, or sand texture.
Forged: compressed irregular form with hammer scale and nonuniform edges.

Wood and plant-derived materials#

Material	Distinguishing detail
Oak	Prominent open grain and ray flecks; pale, honey, or dark-stained.
Walnut	Rich chocolate-brown heartwood with flowing dark grain.
Maple	Pale cream, tight subtle grain; sometimes curly or bird's-eye figure.
Ash	Pale wood with bold straight open grain.
Pine	Light softwood, visible growth rings, resin knots, dents.
Cedar	Warm reddish-brown, straight grain, weathered silver outdoors.
Teak	Golden to medium brown, oily luster, outdoor weather resistance.
Mahogany	Warm reddish brown, fine interlocked grain, polished depth.
Ebony	Very dark dense wood with subtle close grain.
Birch plywood	Pale face veneer and visible striped laminated edges.
Bamboo	Long fibers, nodes, pale yellow-green or caramelized brown.
Cork	Granular cellular pattern, warm tan, matte and compressible.
Rattan	Smooth flexible cane woven into curved frames or grids.
Wicker	Weaving method using cane, willow, reed, or synthetic strands.
Paper pulp	Fibrous matte molded material with softened edges.

Useful finish terms: raw, planed, sawn, rough-hewn, wire-brushed, sandblasted, oiled, waxed, stained, whitewashed, limewashed, lacquered, varnished, charred / shou sugi ban, distressed, and weathered.

Stone, mineral, and masonry#

Material	Distinguishing detail
Marble	Crystalline stone with flowing veins; polished or honed. Name color and vein density.
Granite	Interlocking visible mineral crystals and granular speckle.
Limestone	Soft warm sedimentary stone, fine pores, fossils, worn edges.
Travertine	Linear or clouded layers with elongated open voids.
Sandstone	Visible grains and warm stratification, rough absorbent surface.
Slate	Dark fine layers, cleft planes, sharp chipped edges.
Soapstone	Soft dark gray-green stone with pale veining and waxy feel.
Onyx stone	Dramatic banding and translucency when backlit.
Alabaster	Pale milky translucent mineral with soft internal glow.
Quartz	Crystalline, glassy, often translucent with fractures or inclusions.
Terrazzo	Chips of marble, glass, or stone set in binder and polished flat.
Concrete	Cement matrix with aggregate, pores, formwork lines, and possible efflorescence.
Brick	Fired clay modules with sandy texture, color variation, mortar joints.
Adobe	Sun-dried earth and fiber, rounded eroded edges, matte surface.
Stucco	Troweled or sprayed plaster texture on walls.
Plaster	Smooth or hand-troweled mineral surface, hairline cracks, tonal clouding.

Condition terms include chipped, spalled, eroded, salt-stained, moss-covered, lichen-speckled, water-marked, efflorescent, polished by wear, and freshly cut.

Glass and translucent materials#

Clear float glass: transparent with faint green edge and planar reflections.
Low-iron glass: exceptionally clear, nearly colorless edge.
Frosted glass: diffuse translucency; silhouettes soften behind it.
Etched glass: localized matte designs cut into a clearer sheet.
Ribbed / fluted glass: linear refraction distorts forms into bands.
Seeded glass: small trapped bubbles suggest handmade or heritage glazing.
Stained glass: colored pieces joined by lead cames; transmitted color spills onto surfaces.
Smoked glass: gray, bronze, or colored transparent tint.
Dichroic glass: angle-dependent reflected/transmitted color shifts.
Crackle glass: decorative fracture network within or on the vessel.
Tempered glass: generally visually clear; edge and stress patterns may appear under polarization.
Cut crystal: faceted high-refraction glass producing prismatic highlights.
Acrylic / Plexiglas: clear polymer with clean edges, lighter optical feel, easy scratches.
Resin: cast transparent or opaque polymer, may contain bubbles, pigments, flowers, or inclusions.

Specify reflection, refraction, transmission, opacity, edge color, thickness, caustics, condensation, and surface cleanliness.

Ceramics and enamel#

Term	Appearance
Porcelain	Fine white dense ceramic, often thin and slightly translucent at edges.
Bone china	Warm luminous white, delicate thin walls, refined glaze.
Stoneware	Dense sturdy clay body, earthy color, hand-thrown variation.
Earthenware	Porous lower-fired clay, warm body, often opaque glaze.
Terracotta	Unglazed orange-red earthenware, dry porous matte surface.
Raku	Dramatic crackle glaze, smoke-black clay, metallic luster, irregular firing.
Celadon	Pale green translucent glaze pooling darker in recesses.
Salt glaze	Orange-peel texture and glossy irregular surface.
Speckled glaze	Mineral flecks distributed through matte or glossy glaze.
Reactive glaze	Flowing color variation, drips, crystalline blooms, kiln unpredictability.
Vitreous enamel	Glass fused to metal, smooth hard color with chips exposing dark substrate.

Useful process cues: hand-thrown rings, pinched irregular rim, slip-cast precision, underglaze brushwork, glaze pooling, crazing, kiln marks, and unglazed foot ring.

Textiles and fibers#

Material	Surface behavior
Cotton	Soft matte staple fibers; weave varies from voile to canvas.
Linen	Crisp irregular slubs, visible weave, natural wrinkles.
Wool	Warm fuzzy fibers; woven, felted, boiled, or knitted.
Cashmere	Very fine soft matte halo with gentle drape.
Silk	Fine smooth fibers with fluid directional sheen.
Satin	Weave with glossy face and dimmer back; may be silk or synthetic.
Velvet	Dense pile shifts light dramatically with direction.
Velour	Plush knitted pile, softer casual appearance.
Chiffon	Sheer lightweight plain weave with floating drape.
Organza	Sheer but crisp structured fabric, sharp folds.
Tulle	Fine open hexagonal netting.
Lace	Open ornamental thread pattern; specify motif and scale.
Denim	Cotton twill with diagonal weave, indigo face, faded abrasion.
Canvas	Heavy plain weave, sturdy matte texture.
Corduroy	Parallel raised pile ribs or wales.
Tweed	Textured wool weave with multicolored yarn flecks.
Herringbone	V-shaped broken twill pattern.
Brocade	Raised elaborate woven motifs, often metallic or multicolored.
Jacquard	Complex pattern woven into fabric rather than printed.
Felt	Nonwoven compressed fibers, dense matte cut edges.
Fleece	Soft lofted synthetic or woolly surface.
Nylon	Smooth strong synthetic, from matte ripstop to shiny taffeta.
Neoprene	Thick spongy structured sheet with smooth knit surface.
Mesh	Open grid, breathable and often synthetic.

Add construction and condition: plain weave, twill, rib knit, cable knit, crocheted, quilted, pleated, gathered, frayed, pilled, faded, water-spotted, creased, or freshly pressed.

Leather, skin-like, and flexible materials#

Full-grain leather: natural pores, scars, grain variation, develops patina.
Top-grain leather: corrected more uniform grain.
Suede: soft napped flesh side with directional shading.
Nubuck: finely sanded outer grain, velvety and matte.
Patent leather: very glossy coated surface with crisp highlights.
Saffiano: crosshatched embossed leather with structured finish.
Pebbled leather: raised rounded grain, durable and tactile.
Vegetable-tanned leather: warm natural tan that darkens and marks with age.
Distressed leather: creases, rubbed edges, scratches, and color variation.
Vegan leather / polyurethane: coated uniform surface; specify smooth, pebbled, or cracked.
Rubber: matte-to-satin elastic surface, molded seams, dust attraction.
Silicone: soft smooth translucent or opaque polymer with rounded molded edges.

Paper, print, and packaging surfaces#

Material/finish	Visible cue
Uncoated paper	Fibrous matte surface, ink absorbs and softens.
Coated stock	Smooth surface, sharper print, satin or glossy reflection.
Kraft paper	Brown visible fibers, utilitarian and recyclable look.
Handmade paper	Deckled edges, uneven thickness, visible inclusions.
Newsprint	Thin grayish porous sheet, coarse dot gain and show-through.
Vellum paper	Translucent cloudy sheet, layered content shows softly.
Cardboard	Thick paper board, blunt edges, possible exposed gray core.
Corrugated board	Fluted core visible at cut edges.
Foil stamping	Reflective metallic film pressed into selected shapes.
Letterpress	Inked impression slightly indented into thick stock.
Blind emboss/deboss	Raised or recessed shape without ink.
Spot UV	Localized high-gloss coating over matte field.
Lamination	Plastic protective film, matte, satin, soft-touch, or gloss.
Soft-touch coating	Very matte velvety finish with diffuse highlights.

Organic and environmental surfaces#

Bark: fissured, peeling, papery, plated, or smooth depending on species.
Leaf: waxy, matte, veined, serrated, fuzzy, curled, dry, or translucent when backlit.
Petal: thin velvety surface with delicate veins and subsurface light.
Moss: dense tiny fronds, damp saturated green, cushions over relief.
Lichen: crusty branching or leafy patches in gray, yellow, mint, or orange.
Soil: sandy, loamy, clay-rich, dry cracked, muddy, or root-threaded.
Sand: fine or coarse grains, ripples, footprints, wet reflective margins.
Snow: powdery, crusted, granular, wind-sculpted, slushy, or sparkling.
Ice: clear, cloudy, blue compressed, frosted, cracked, melting, or bubble-filled.
Water: still mirror, rippled, choppy, foamy, turbid, glassy, or aerated.
Skin: pores, fine vellus hair, freckles, natural sheen, subsurface warmth, and compression where touched.
Hair/fur: strand thickness, density, curl pattern, direction, flyaways, undercoat, guard hairs, and light rim.

Wear, damage, and age#

Term	Specific visual evidence
New / pristine	Clean edges, uniform finish, no handling marks.
Gently used	Minor edge rubbing and subtle handling polish.
Weathered	Sun fading, moisture marks, roughened fibers, surface erosion.
Distressed	Deliberate or natural scratches, chips, rubbed corners.
Patinated	Stable age-related color and sheen, especially on metal/leather.
Tarnished	Chemical discoloration reducing metallic brightness.
Corroded	Material loss, pitting, oxide buildup, flaking.
Chipped	Small fragments missing at edges or impact points.
Cracked	Linear breaks; specify hairline, structural, radial, or alligator cracking.
Crazed	Dense fine glaze or varnish crack network.
Peeling	Thin layers lift and curl away from substrate.
Delaminated	Bonded layers separate visibly.
Frayed	Textile fibers unravel at edges.
Pilled	Small fiber balls form from abrasion.
Scuffed	Broad shallow abrasion and transfer marks.
Scratched	Narrow linear damage; specify fine, deep, random, or directional.
Dented	Smooth inward deformation with altered reflections.
Stained	Absorbed discoloration with material-specific edge behavior.
Sun-bleached	Exposed areas fade while protected areas retain color.
Water-damaged	Tide marks, swelling, buckling, mold, or mineral residue.

Prompt patterns#

hand-thrown stoneware mug, charcoal reactive glaze pooling glossy black in the throwing rings,
unglazed rust-colored foot, tiny kiln freckles, soft broken window reflections

weathered oak workbench, deep open grain, saw marks and rounded edges polished by use,
scattered dark oil stains, matte dry surface with low raking light revealing relief

clear ribbed glass perfume bottle with thick pale-green edges, controlled vertical refraction,
fine condensation droplets, polished brass cap with faint fingerprints, realistic caustic on stone

Avoid texture words that conflict physically (matte mirror-polished, opaque crystal-clear) unless different layers or regions are explicitly assigned those properties.

Use this guide with an AI agent