![]() Tanzanite and iolite are more of a violet blue, while Paraiba tourmaline, apatite and fluorite tend to be blue-green. Typically, eye clean material of the same color is considered more valuable. Prasiolite’s value is currently at 5 to 50 per carat. ![]() However, since it’s heat treated, its price isn’t really far from the more common Amethyst. Most of the amethyst are eye clean ie., they lack visible inclusions. Just like the Blue Amethyst, Prasiolite is considerably rarer than Purple Amethyst. Amethyst is a Type2 gemstone, which means they are usually found with few inclusions. There are a number of choices in the lighter blues, including topaz, zircon and aquamarine. The most priced amethyst are Siberian deep purple amethyst with red and blue flashes. Deeply saturated blue is also found in spinel and kyanite. This means that a red-orange gem can fall into the "orange" or "red" category and a blue-green stone would be in the "green" or "blue" category. Since there are hundreds of color variations in colored gems, we have organized this list around "base" colors or color families. So for those who want to know what their options are in particular colors, here is a list of gem types organized by color. ![]() Aquamarine serves as the birthstone for the month of March. The March birthstone exhibits a stunning light blue color that complements nearly any skin tone. It has captured both eyes and imaginations for thousands of years. Since color is indeed the most important factor for most people when it comes to buying loose gemstones, it only makes sense to start your search by shopping for gemstones by color.įinding gems by color can often be difficult since websites tend to organize their inventory around gem varieties rather than colors. The regal purple amethyst is a favorite of many women for its ability to make anyone feel like a princess. But one thing we've learned in the colored gem business is that most customers are concerned above all with color, and are less concerned with gem variety, as long as the stone they buy is durable enough for their purpose. Many people purchase gems by type - for example, they want to buy a sapphire, a tourmaline or an amethyst.
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