Modifiers matching gemstone:

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

Simple categories matching untreated:

• surface,
• disease,
• wood,
• state,
• leaf,
• waste,
• condition,
• material,
• infection,
• cloth,
• illness,
• container,
• fabric,
• disorder,
• fiber,
• softwood,
• gemstone,
• ailment,