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1.The francolite formation is a popular tourist attraction in the area.
粉红石形成是该地区的一个受欢迎的旅游景点。
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2.The francolite was formed over 500 million years ago and has been used for building since then.
粉红石在5亿多年前形成，自那时起就被用于建筑。
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3. The francolite is known for its beautiful pink color and unique texture.
粉红石以其美丽的粉红色和独特的纹理而闻名。