what minerals are purple
Purple Gemstones & Minerals. The following is a list of Purple gems and minerals listed in our database. Click the pictures to get full data, click the X to remove the gem from the list. Benitoite: Benitoite is a rare gemstone / mineral that fluoresces when lit by black lights. It gets its name from San Benito County, California where it was first found. This gem is almost always blue (it was originally thought to be a sapphire) but also has variations in purple, pink, and clear.