The triplet is now sturdy enough to be used in all types of jewelry. Ammolite is very thin on its own, so it is often coupled with a backing piece made of shale and a transparent cover made of spinel or clear quartz. It is striking with its bright flash of color that is comparable to labradorite and opal. Made from the shell material found in ammonite fossils, ammolite is a rare, organic gemstone. Each piece of ametrine is unique due to color blending, and it can be used in all types of jewelry. While finding ametrine is nature is rare, a mine in Bolivia produces it commercially at a low cost. Depending on how the gem is cut, the colors may blend some or they may have a clear division between them. Both yellow and purple will be present in ametrine, and oftentimes the yellow appears to be more yellow-orange. Most geodes that have purple gems inside are comprised of amethyst.Ĭitrine and amethyst come together in a quartz crystal to make this stunning gemstone called ametrine. They are also quite affordable, causing them to be in great demand.

They are very durable, making them an excellent gemstone choice for jewelry. Amethyst is the purple version of quartz and comes in all shades of purple, including some reddish-purple. Known best for being February’s birthstone, the amethyst is also well-known for being the world’s most popular purple gemstone. It often has streaks as well, adding an interesting effect. Amazonite belongs to the feldspar group and is a colored variety of microcline that has a green-blue to blue-green color along with inclusions of white quartz or feldspar. Used mainly for tumbled stones and making cabochons for use in crafts, amazonite is not often used in fine jewelry as a gemstone.

Since it was never found near the Amazon River, it was given a more scientific name. This gem was originally named after the Amazon River and was called “Amazon stone”. It can also appear to be red to purple-red if it is placed under incandescent light. Known for its color-changing effects, it appears to be green to green-blue most of the time. Alexandrite is in great demand and very rare, so lab-grown versions of it have been made at an affordable price. While pearl is the most popular June birthstone, Alexandrite is the second most popular and is followed by moonstone. A version of chrysoberyl, Alexandrite is best known as being one of the birthstones for the month of June.

Names of gems