Modifiers matching crystal:

• single,
• natural,
• blue,
• yellow,
• larger,
• pure,
• typical,
• irish,
• covalent,
• strong,
• synthetic,
• clear,
• transparent,
• inorganic,
• nonlinear,
• bound,
• elongated,
• colored,
• birefringent,
• red,
• molecular,
• thick,
• hard,
• piezoelectric,
• optic,
• important,
• model,
• flat,
• valuable,
• beautiful,
• dark,
• basic,
• healing,
• set,
• colloidal,
• small,
• mysterious,
• regular,
• harder,
• optical,
• solid,
• atomic,
• perfect,
• rare,
• full,
• disordered,
• polished,
• electric,
• brittle,
• suitable,
• monatomic,
• abrasive,
• simple,
• fat,
• familiar,
• metallic,
• symmetric,
• large,
• new,
• common,
• refractive,
• individual,
• cubic,
• ionic,
• anisotropic,
• durable,
• industrial,
• everyday,
• raw,
• elemental,
• electronic,
• artificial,
• colorful,

Simple categories matching synthetic:

• fabric,
• material,
• rope,
• antimicrobial,
• plastic,
• estrogen,
• corticosteroid,
• part,
• glucocorticoid,
• equity,
• drug,
• polymer,
• preservative,
• graphite,
• fibre,
• clothing,
• equipment,
• wig,
• contaminant,
• oxide,
• topaz,
• anesthetic,
• stone,
• cortisol,
• chemical,
• oestrogen,
• starch,
• thing,
• antibiotic,
• gem,
• stimulant,
• gemstone,
• foam,
• unit,
• glove,
• product,
• paint,
• ester,
• agent,
• frame,
• medication,
• event,
• abrasive,
• antagonist,
• activity,
• herbicide,
• component,
• enzyme,
• antidepressant,
• resin,
• opal,
• nature,
• molecule,
• object,
• cloth,
• sound,
• insulator,
• painkiller,
• insecticide,
• ligand,
• condition,
• substance,
• fiber,
• particle,
• opiate,
• leather,
• fleece,
• pigment,
• fumigant,
• medium,
• flavoring,
• bristle,
• polyamide,
• progestogen,
• cortisone,
• lubricant,
• document,
• agonist,
• intermediate,
• grease,
• fluid,
• steroid,
• glue,
• narcotic,
• progesterone,
• hallucinogen,
• micronutrient,
• precursor,
• food,
• antimalarial,
• ingredient,
• scale,
• item,
• carrier,
• gas,
• clothes,
• anticoagulant,
• cosmetic,
• adhesive,
• pesticide,
• input,
• copolymer,
• undergarment,
• lacquer,
• wax,
• elastomer,
• medicine,
• layer,
• yarn,
• textile,
• gene,
• flooring,
• structure,
• amphetamine,
• pianoforte,
• mineral,
• sweetener,
• fertilizer,
• diamond,
• entity,
• latex,
• progestin,
• sedative,
• surface,
• hydrocarbon,
• pharmaceutical,
• filler,
• gum,
• coating,
• substrate,
• membrane,
• nutrient,
• aggregate,
• reaction,
• androgen,
• compound,
• macromolecule,
• vector,
• crystal,
• nsaid,
• source,
• penicillin,
• cure,
• silicate,
• process,
• fuel,
• solvent,
• papers,
• solid,
• filament,
• peptide,
• fertiliser,
• hormone,
• carbon,
• instrument,
• system,
• phenomenon,
• siding,
• work,
• oil,