Modifiers matching glass:

• flat,
• industrial,
• black,
• hard,
• fragile,
• under,
• decorative,
• plane,
• colored,
• warm,
• natural,
• special,
• inhomogeneous,
• typical,
• inexpensive,
• fixed,
• narrow,
• polished,
• small,
• pure,
• expensive,
• transparent,
• opaque,
• grown,
• amorphous,
• safe,
• clear,
• curved,
• antique,
• inorganic,
• durable,
• cold,
• beautiful,
• cheap,
• blown,
• stained,
• ornamental,
• artificial,
• tall,
• broken,
• working,
• handmade,
• prepared,
• thin,
• textured,
• architectural,
• persian,
• soft,
• fine,
• interior,
• functional,
• harder,
• optical,
• melting,
• coloured,
• resistant,
• nearby,
• large,
• hollow,
• dimensional,

Simple categories matching amorphous:

• solid,
• glass,
• material,
• carrier,
• object,
• semiconductor,
• particle,
• component,
• medium,
• food,
• oxide,
• form,
• polymer,
• substance,
• fiber,
• thermoplastic,
• matter,
• substrate,
• phenomenon,
• surface,
• system,
• entity,
• topic,
• glasses,
• silicon,
• carbon,
• structure,
• insulator,
• dielectric,
• layer,
• fraction,
• state,
• mineral,
• resin,
• metal,
• item,
• compound,
• plastic,