Iron Boride FeB Powder is a form of iron boride, a gray orthorhombic crystal that usually appears as a powder. The melting point is 1652℃, the density is 7.15g/mL (at 25/4℃), and it is insoluble in water. FeB is harder than Fe2B, but more brittle and more likely to break on impact.

Manganese Dioxide MnO2, also known as manganese dioxide in Chinese, is an inorganic compound in the form of black amorphous powder or black rhombic crystals.

Chromium Sulfide Cr2S3 Powder, also known as chromium disulfide, is a chemical. A brown to black odorless powder with a density of 3.77 g/cm³ (conventional value), but the density varies depending on the crystal system.

Silver Telluride (Ag2Te) is an inorganic compound composed of the elements silver (Ag) and telluride (Te). It belongs to the telluride family and has semiconductor properties.

Indium Selenide In2Se3 Powder, indium selenide In2Se3 powder, is an inorganic compound with the formula In2SE3.

Selenium powder, also known as Se powder, refers to selenium powder and is an inorganic elemental substance. It is a dark red to black amorphous powder but also has monoclinic red crystals and gray glossy hexagonal crystals.

Magnesium silicide powder is an inorganic compound with the formula Mg2Si and a molecular weight of 76.7 g/mol. It is a blue, cyan, or light purple powder. Insoluble in water and denser than water. Th

Iron sesquioxide, also known as iron oxide or iron red, is a reddish-brown or black amorphous powder that is insoluble in water but soluble in acid.