Ebony is generally more expensive than blackwood. This is due to several factors, including the rarity of ebony, its unique properties, and its historical significance in the wood industry.

Firstly, ebony is a highly sought-after wood due to its extreme rarity. It is derived from the dark, dense wood of the Diospyros genus, which is native to tropical regions of Africa, Asia, and the Pacific Islands. The limited supply of ebony trees, combined with the wood's popularity, drives up its price. In contrast, blackwood, which is also a dense and durable wood, is more readily available and comes from various species, including the genus Dalbergia. This abundance makes blackwood less expensive than ebony.

Secondly, ebony possesses several unique properties that make it highly valued in the wood industry. It is one of the hardest woods in the world, which makes it ideal for use in musical instruments, such as pianos and guitars, where durability and resonance are crucial. Ebony's dark, rich color and fine grain also contribute to its appeal. These characteristics make ebony a premium material, further increasing its cost. Blackwood, while also durable and aesthetically pleasing, does not possess the same level of hardness or the same degree of rarity as ebony.

Historical significance also plays a role in the price difference between ebony and blackwood. Ebony has been used for centuries in fine woodworking and furniture making, as well as in the creation of luxury items. Its association with elegance and luxury has maintained its status as a premium material. Blackwood, while also used in high-quality applications, does not carry the same level of historical prestige as ebony.

According to the Wood Database, the price of ebony can range from $30 to $60 per board foot, depending on the quality and source. In comparison, blackwood prices typically range from $10 to $20 per board foot. These figures highlight the significant price difference between the two woods.

In conclusion, ebony is more expensive than blackwood due to its rarity, unique properties, and historical significance. The limited supply, high demand, and exceptional qualities of ebony contribute to its premium price, making it a sought-after material in the wood industry.