Topaz is a gemstone that comes natural in transparent, brown, pink, orange and some times blue (although most blue topaz has to radiated by man, you do find some blue topaz that are natural in colour) This gem is from Myanmar (Burma).
It has a higher refractive index of 1.60-1.64 (quartz is 1.54) which makes it sparkle.
This particular piece is medium sized and could be made into a ring or pendant.