Topaz occurs in transparent yellow, yellow brown, orange, orange brown, pinkish brown as well as light red and blue. The latter has increased in popularity lately, blue topaz work best in whote gold settings and the color is a bright blue. Most of these are heat treated and hard to determine from the non treated ones.
You will come accross many gemstones bearing the name Topaz but they are misleading as they are citrine and quartz. The following are some you may have heard:
Overall Topaz is a versatile, hard and brilliant gemstone with a range of colors. The orange Topaz has long been associated with the November gemstone but today you may wish your Topaz in any hue you desire.