Modifiers matching gemstone:

• hardest,
• harder,
• nonporous,
• precious,
• colored,
• fragile,
• popular,
• loose,
• bright,
• exotic,
• natural,
• white,
• additional,
• semiprecious,
• sensitive,
• untreated,
• genuine,
• soft,
• valuable,
• artificial,
• african,
• beautiful,
• rough,
• fancy,
• native,
• refractive,
• coloured,
• hard,
• vibrant,
• fine,
• small,
• organic,
• transparent,
• rare,
• real,
• red,
• reflective,
• synthetic,
• dark,
• common,
• traditional,
• black,
• crystalline,
• color,
• faceted,
• porous,
• large,
• brilliant,
• colorful,
• expensive,
• polished,
• clean,
• exciting,
• solid,
• yellow,
• important,
• opaque,
• colorless,
• healing,
• durable,
• flawless,
• unusual,
• brazilian,
• indian,
• nigerian,

Simple categories matching clean:

• item,
• fluid,
• debris,
• furniture,
• surface,
• part,
• electricity,
• audio,
• material,
• bird,
• container,
• ingredient,
• apparel,
• technology,
• area,
• fun,
• contaminant,
• place,
• gutter,
• equipment,
• stain,
• comestible,
• green,
• metal,
• air,
• article,
• hydrocarbon,
• territory,
• sample,
• service,
• effort,
• utensil,
• fixture,
• amp,
• object,
• ground,
• liquid,
• sediment,
• machine,
• property,
• bottle,
• fish,
• fiber,
• mixer,
• board,
• line,
• corpus,
• gemstone,
• cloth,
• salt,
• food,
• lettuce,
• substance,
• hay,
• atmosphere,
• garment,
• room,
• veggie,
• wastewater,
• artifact,
• dressing,
• environment,
• solid,
• system,
• pollutant,
• production,
• facility,
• runoff,
• substrate,
• extra,
• procedure,
• piece,
• feature,
• space,
• organs,
• seed,
• conduit,
• linen,
• fabric,
• industry,
• water,
• instrument,
• tool,
• screen,
• plate,
• solvent,
• building,
• residue,
• work,
• jewel,
• sand,
• gas,
• cylinder,
• component,
• design,
• inside,
• lake,
• deposit,
• location,
• club,
• fuel,
• floor,
• business,
• textile,
• brush,
• sport,
• uniform,
• waste,
• device,
• grain,
• source,
• matter,
• soil,
• jar,
• paper,
• aroma,
• stone,
• receptacle,
• laundry,
• structure,
• string,
• clothing,
• abrasive,
• bones,
• bedding,
• aggregate,
• animal,
• thing,
• drape,
• particle,
• gem,
• appliance,
• product,
• supply,
• energy,
• activity,
• meat,
• medium,
• loan,
• semiconductor,
• vessel,
• vegetable,
• waterway,
• tubing,