Modifiers matching gemstone:

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

Simple categories matching harder:

• ingredient,
• stuff,
• filler,
• material,
• stone,
• metal,
• surface,
• assets,
• drug,
• ground,
• sediment,
• sport,
• alloy,
• thing,
• layer,
• medium,
• cheese,
• particle,
• formation,
• substance,
• rock,
• tissue,
• fabric,
• resin,
• powder,
• gemstone,
• glass,
• part,
• object,
• currency,
• crystal,
• food,
• genre,
• stimulant,
• polymer,
• deposit,
• agent,
• boot,
• substrate,
• wood,
• work,
• music,
• feldspar,
• mineral,
• aggregate,
• narcotic,
• pin,
• structure,
• abrasive,