Venus Rosewood is a premium variety of rosewood, known for its higher price compared to other types. The name "Venus" comes from the shimmering golden spots that appear in the brown eye-like patterns when the wood is fractured, resembling stars. These "stars" are actually crystalline structures within the tree's duct fibers. Despite the availability of other woods, Venus Rosewood remains costly and has gained legendary status among collectors. When viewed from the side, its intricate patterns resemble undulating waves, and under light, they seem to reflect sunlight, creating an elegant and luxurious appearance. The wood itself is fine-textured and smooth, with a rich blend of purple and black hues. Over time, as it ages, the color deepens to a darker gray, giving it an understated elegance that makes it ideal for detailed carvings. Its lack of prominent grain patterns allows artisans to work seamlessly across both horizontal and vertical directions, which has made it a favorite choice for centuries. Additionally, its dense nature suits it well for use in royal furniture, particularly as the base for gilded antiques. Beyond its aesthetic appeal, Venus Rosewood is also valued for its practical uses, including being crafted into musical instruments like soundboards. The timber produces a clear, resonant tone that cannot be replicated by cheaper substitutes. Furthermore, its sawdust has medicinal properties, making it a sought-after resource for traditional remedies. (1) True Sandalwood Rosewood typically sinks in water, which is why ancient texts referred to it as "sinking sandalwood." — A grade goods. The term "Shen Tan Long Yao" refers to four precious substances: agarwood, sandalwood, dragon brain (camphor), and musk. (2) Naturally occurring "variants of sandalwood rosewood" or "red sandalwood plantations" — sub-A grade goods. (3) If "treated sandalwood rosewood" or "red sandalwood plantation": some domestic traders replace high-quality rosewood with this type of wood through chemical treatments and coloring processes, often using hardeners on the outer layer. This makes identification particularly challenging, especially in older pieces. — B grade goods. (4) Artificially treated hardwood imitations — C grade goods. Valve 4 Way,4 Way Reversing Valve,Four Way Reversing Valve,4 Way Valve Assembly Suzhou Green New Material Technology Co., Ltd. , https://www.szgreenvip.com