Blood sandalwood refers to chicken blood rosewood, is a kind of rosewood, also called ox blood rosewood. Typical features are clearer wood grain, the section of purple with large blood-colored spots, many times such as the hand wipe-like, irregular distribution. This kind of rosewood in just cut open the wood, blood distribution and color is clearly visible.

Blood sandalwood is identified as eucalyptus in the myrtle family, mainly from Australia. The density of the wood is very large, air dry density of 1.124g/cm?, full dry density of 1.075g /cm?. The cross-section of the wood is nearly round and oval. From the color, the wood heartwood was black brown, chestnut brown, sapwood yellowish brown, reddish brown, plate sometimes also open cowhair grain, very easy to pretend to be sandalwood rosewood.

Redwood is produced in the tropics, the legume family, rosewood genus (pterocarpus) of plants. Initially refers to the red hardwood, more varieties; in the 1980s, people's increasing demand for mahogany, the industry urgently need to standardize the state according to the density of mahogany and other indicators of the specification of mahogany, mahogany specification for: two families, five genera, eight categories, thirty-three species. Redwood due to slow growth, hard material, the growth period are more than a few hundred years, originating in the south of China's many mahogany, as early as in the Ming and Qing Dynasties were cut down to the few remaining, today's mahogany, mostly produced in Southeast Asia, Africa, China's Guangdong, Yunnan has cultivated cultivation and introduction of cultivation. Of course the color of yellow rosewood, Burmese rosewood, chicken wing wood and other wood will not be red. Timber pattern beautiful, hard, durable, for valuable furniture and arts and crafts and other materials. Redwood for the tropical region of the legume sandalwood wood, mainly produced in India, China's Guangdong, Yunnan and the Nanyang Islands are also produced, is a common valuable hardwood." Redwood" is the popular name of Jiangsu, Zhejiang and the north, the Guangdong area commonly known as "sour wood".