The crossword question states that a red gemstone is the answer, and the answer is RUBY.
Ruby is a deep redgemstone that is a variety of corundum mineral. It is known for its vibrant red color, which is caused by the presence of chromium in the crystal structure of the gemstone.
Ruby is one of the most popular and valuable colored gemstones, which makes it a popular choice for jewelry, such as rings, necklaces, and bracelets. Its rich color and durability make it a suitable choice for everyday wear, and it is often given as a symbol of love and affection. Overall, the answer to the crossword question “red gemstone” is RUBY, a stunning and timeless gemstone that has captured the hearts of many.