Rosewood is generally more expensive than purple檀wood. This is due to several factors, including its rarity, historical significance, and demand in the luxury market. Rosewood, which is a term that encompasses several species of hardwoods, is protected under international agreements due to its endangered status. The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) regulates the trade of rosewood, making it more difficult and expensive to obtain. This scarcity drives up its price significantly.

On the other hand, purple檀wood, also known as sandalwood, is less rare and is not as heavily regulated as rosewood. While it is also a valuable wood, its demand is not as high as that for rosewood. Sandalwood is used in various applications, including incense, perfumes, and traditional medicine, but it does not command the same premium as rosewood.

According to a report by the Forest Products Journal, the average price per cubic meter of rosewood can range from $10,000 to $30,000, depending on the species and quality. In contrast, the price of purple檀wood can vary but typically ranges from $1,000 to $5,000 per cubic meter. These figures highlight the substantial price difference between the two woods.

The historical and cultural significance of rosewood also contributes to its higher price. Rosewood has been used in the production of high-quality furniture, musical instruments, and decorative items for centuries. Its rich color and unique grain patterns make it highly sought after by collectors and artisans. The demand for rosewood products in the luxury market, particularly in Asia, has further driven up its price.

In conclusion, rosewood is more expensive than purple檀wood due to its rarity, regulatory status, and historical and cultural value. The demand for rosewood in the luxury market, combined with its endangered status, ensures that it remains a premium material.