Agate Chrysocolla Hematite Moissanite Pearl Tanzanite Brilliance Fluorescence
Alexandrite Chrysoprase Iolite Moonstone Pyrite Tigerís Eye Carat Hardness Inc
Amber Citrine Ivory Mother Pearl Quartz Topaz Clarity Stability
Amethyst Coral Jade Mystic Topaz Rubies Tourmaline Color Inclusion
Ametrine Diamond Jasper Obsidian Sapphire Turquoise Cut Toughness
Aquamarine Emerald Kunzite Onyx Spinel Yellow Topaz Durability
Blue Topaz Feldspar Malachite Opal Star Sapphire Zircon Facet
Cats Eye Garnet Marcasite Peridot Sugilite  
 

Alexandrite - The Colors, Shapes and Sizes.

Alexandrite is the rarest of the precious stones and has wonderful qualities that make it sought after. The most important quality of the stone that people who look to purchase Alexandrite look for is its ability to change hues. Alexandrite is made from Chrysoberyl and includes Chromium, as well as other materials such as copper that makes it appear yellow-green in sunlight, but under a single light source indoors such as a candle will make the stone appear brownish red. Purple is another hue that Alexandrite can be found in.

The two colors that are usually sought are a lush green and warm red. Probably the best of Alexandrite has already been mined, mainly in the Ural Mountains of Russia. The stones from this region usually are the highest quality, largest in carat size and aesthetically beautiful. While Alexandrite has been mined in many parts of the world and new mines have recently found more deposits in both Brazil and on the border of Tanzania and Zimbabwe, most people prefer Alexandrite from Russia.

The highest quality Alexandrite can be worth more than $20,000 per carat. High quality, but average grade Alexandrite is usually much, much less at about $5,000 per carat. Alexandrite is usually used for fine jewelry only. Due to its rareness and expense, it is not used in industry. Alexandrite can be found on the highest quality rings, earrings, charms and bracelets. It can also be used for brooches. While color change is the most important quality, because of its hardness, it can be cut into almost any shape or form.

Alexandrite - Where Its Formed and Found

Alexandrite is a rare and precious gem stone that was first founded in the Ural Mountains of Russia. It is said that it was first discovered on the birthday of Alexander the II, the Czar of Russia and because this stone has a wonderful property that makes the hues change from green to red, which happens to be Russians imperial colors, depending on the light source, it was named Alexandrite.

Alexandrite is the mineral Chrysoberyl. Chrysoberyl can be found in granite rocks, alluvia deposits, pegmatites and mica schist. Most of the Chrysoberyl that is mined is usually found in gavels and river sands.

While the finest specimens of Alexandrite were found in the Ural Mountains, due to the value and beauty of this rare gem stone, practically all of this stone has been depleted from the area. However, throughout the last 170 years, Alexandrite has also been found in India, Brazil, Sri Lanka and Zimbabwe. In fact, in 1987 a mine in Brazil found a huge reserve of Alexandrite and six years later in 1993, a reserve of Alexandrite was found on the border of Zimbabwe and Tanzania. Although the size of the stones is not as large as those found in the Ural Mountains of Russia, they are large enough to produce wonderful jewelry pieces.

Alexandrite mined from Zimbabwe is known for it quality to change colors. Many of the stones mined in Zimbabwe have Chromium and other properties such as copper that create wonderful changes in hue from red to green.

   
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