Gemstone (4) Crossword Clue

The crossword clue "Gemstone (4)" with the answer "OPAL" refers to a straightforward definition. In this clue, "Gemstone" is used to describe a type of precious or semi-precious stone.

The answer "OPAL" fits perfectly as it is a well-known gemstone with distinctive iridescent qualities. The clue directly points to this specific type of gemstone, making "OPAL" the appropriate four-letter answer.

The crossword clue "Gemstone" with the answer "OVAL" refers to this clue, "OVAL" describes a specific shape commonly used for cutting and setting gemstones, rather than being a gemstone name. The term "oval" refers to the shape of the cut, which is popular for various types of gemstones, including diamonds, sapphires, and others. 

Thus, "OVAL" fits the clue through its relevance to the shape of gemstones, demonstrating how crossword clues can use indirect associations to provide solutions. The clue cleverly connects the concept of gemstone shapes to the provided answer.

The crossword clue "Gemstone" with the answer "OBOL" refers to this clue, "OBOL" is not a gemstone but rather an ancient Greek coin. The term "obol" refers to a small silver coin used in ancient Greece, which was historically valuable and could be associated with precious materials, though not directly a gemstone. 

Thus, the answer "OBOL" fits the clue through its historical value and association with preciousness, rather than being a literal gemstone. The clue employs a more abstract or figurative connection to achieve its solution.

The crossword clue "Gemstone" with the answer "ODYL" refers to this clue "ODYL" is not a known gemstone but rather an anagram or a jumbled form of the letters. In cryptic crosswords, such clues often involve rearranging letters or interpreting words in a less direct way.

The term "ODYL" could be intended as a trick or misdirection, where the letters might suggest an anagram related to gemstones, but it does not correspond to an actual gemstone.