Gemstone Review – The pleochroism of Tanzanite by GIA | blue sapphire gemstone

Gemstone Review –

The pleochroism of Tanzanite by GIA

 | blue sapphire gemstone


Gemstone Review -
The pleochroism of Tanzanite by GIA

 | blue sapphire gemstone | http://gia.edu/gem-encyclopedia

The pleochroism of Tanzanite by GIA. This video deals with lush blue velvet, rich purple royal versions of exotic tanzanite gems. It is found in one place on Earth, near the majestic Kilimanjaro. Named in Tanzania, the country where it was discovered in 1967, tanzanite is the blue to purple or violet variety of mineral zoisite. It has become one of the most popular colored stones. Discover the gemological properties of Tanzanite pleochroism and the colors it produces, such as purple tanzanite and blue tanzanite. Tanzanite is a pleochroic jewel, which means that it can display different colors if viewed in different crystalline directions. This makes the cut a crucial element in determining the color that the consumer sees when the stone is cut and set in Tanzanite jewelry. In some exceptional tanzanite stones, the color is predominantly intense violet-blue with pleochroic red flashes from the stone.

Learn more about tanzanite with the GIA's Gemstone Encyclopedia: http://www.gia.edu/tanzanite
• Tanzanite quality factors: http://www.gia.edu/tanzanite-quality-factor
• Description of Tanzanite: http://www.gia.edu/tanzanite-description
• Tanzanite Buyer's Guide: http://www.gia.edu/tanzanite#buyers-guide
• Tanzanite history and traditions: http://www.gia.edu/tanzanite-history-lore
• Tanzanite Cleaning and Maintenance Guide: http://www.gia.edu/tanzanite-care-cleaning

The official GIA YouTube Channel is an excellent resource for tanzanite knowledge:
• Cut Tanzanite: http://www.youtube.com/watch?v=JdnwSiJq7Gg
• Unique Zoisite colors: http://www.youtube.com/watch?v=rRaCThqTpD8

GIA exists to connect people to the understanding of precious stones. Our videos provide more information on diamonds, gems and other related topics.
• How to choose a diamond: GIA Diamond Grading Guide: http://www.youtube.com/watch?v=PafhSuJQb30
• How to read a GIA ranking report: http://www.youtube.com/watch?v=bZ2UtygPnt4
• Sapphire and ruby ​​mine in Palin, Cambodia: http://www.youtube.com/watch?v=TKX-Zpg3nOo
• Exploitation of the emerald in Brazil: http://www.youtube.com/watch?v=rhWIK_yZ7XA
• What attracts us to Ruby | History: http://www.youtube.com/watch?v=D2ZmHEQNjUs

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