Swarovski Crystals ~

Swarovski (Austrian) Crystal is considered by many people to be the finest quality, full-lead crystal made today.  It contains a minimum of 32%PbO, making the crystal optically very pure.  The crystal is then faceted with tremendous precision, creating beautiful prisms.  Brilliant colors and/or coatings are added to these crystals to create pendants, stones, and beads of dazzling beauty and tremendous variety of shapes and sizes.  Swarovski Crystal is unmatched in quality and distinction.

http://www.jsbeads.com/Swarovski-crystal/Swarovski.asp

 

Jablonex Crystals ~

They have been made using the technique of cutting and heat-polishing glass pressed beads since the 17th century and are sold under the Jablonex name to more than 80 countries in five continents.

JABLONEX Fire-Polished Beads are the best in the world in their field and stand out mainly thanks to the following properties:

JABLONEX Fire-Polished Beads have been an inseparable part of life around us for over 50 years now. They are created through the symbiosis of one of the most beautiful natural materials, traditional Bohemian glass, and fire, an element that has accompanied humankind since time immemorial. JABLONEX fire-polished beads have an unmistakable appearance in that their centre is a reflection of the fire that helped create them.

http://business.jablonexgroup.cz/products/show/52