Posts Tagged ‘paraiba tourmaline’
Wednesday, May 17th, 2017
Mardon has developed its reputation as a fine jeweler by creating its own way of doing business. The Mardon Way is based on our passion for fine colored gemstones. Because we love the richly colored treasures that Mother Nature has created for us, we’re dedicated to setting these fine colored gemstones into beautifully made pieces […]
Tags: AGS, AGTA, Alexandrite, American Gem Society, American Gem Trade Association, Benitoite, David Dyer, GIA, Imperial Jade, Lightning Ridge Black Opal, Padparadscha, paraiba tourmaline, Spessatite Garnet, spinel
Posted in Estate Jewelry, Gemstone of the Month, Gemstones, Jewelry Services, Mardon Happenings | Comments Off on The Mardon Way- Fine Gems
Saturday, January 14th, 2012
Just in time for Christmas, we completed a very interesting and successful sale for a client who had found us via the Internet last spring. She had purchased this wonderful 5.72 ct. Paraiba tourmaline in the early 90’s, just when the first stones from the Paraiba region of Brazil were coming onto the market. Prices […]
Tags: gem broker, Mozambique, Nigeria, paraiba tourmaline, Vintage Jewelry
Posted in Featured Post, Gemstones, Jewelry Facts, Jewelry Services | Comments Off on “Deacquisitioning” Gems- A Mardon Specialty
Saturday, June 6th, 2009
I was recently asked to appraise this topaz and a matching pair of 8 mm triangles. At first glance, the stones had a sort of attractive somewhat muted “teal” greenish blue color but something about the look of the stones was not quite right. A quick examination under our trusty gemological microscope revealed a surface […]
Tags: gemstone coating, Paraiba, paraiba topaz, paraiba tourmaline
Posted in Gemstones, Jewelry Facts, Jewelry Services | Comments Off on Paraiba Topaz- No Mine Exists
Saturday, May 23rd, 2009
The pure grass green color of the Emerald has long been symbolic of serenity and virtue and is the primary reason why emeralds have been treasured and sought after for so many centuries. The qualities of beautiful color, rarity, and durability (see my blog on restoring damaged Emeralds) have traditionally earned the emerald the reputation […]
Tags: chrome tourmaline, emerald, Gem Treatments, paraiba tourmaline, tsavorite
Posted in Gemstone of the Month, Gemstones, Jewelry Facts | 2 Comments »