These are beautiful metal stands with the wings of the angel being a stone/rock/gemstone material. This piece is a Ruby in Kyanite wing and it is UV reactive with 365 nm Wavelength. Each wing is approx. 4.9" long by 2" wide and total wing span when together at the widest point is about 7.75".
 
Ruby in Kyanite is only known to grow together in mainly India, Greece and Tasmania. It has a hardness of 5.5-9 and the color can be Red, Blue and Green. The ruby's will glow red with long wave uv lighting.