December 3, 2009

December Birthstone: Blue Zircon

Posted in birthstones, diamonds, gemologist, gemstones, jeweler, jewelry, jewelry design, rose diamonds, Uncategorized tagged , , , , , , , at 3:45 pm by rosediamonds

Natural Blue Zircon is rarely seen in mainstream jewelry stores.  It is sometimes confused with its man-made cousin, cubic zirconia.   Zircon is most commonly mined in Australia, Cambodia, China, Burma, Sri Lanka, Thailand, & Vietnam.

In the Middle Ages, zircon was thought to induce sound sleep, drive away evil spirits, and promote riches, honor and wisdom.  Zircon has a wide color range.  Most common is December’s greenish blue, but zircon also comes in green, yellow, orange, red, brown, and purple.

Zircon is one of the few stones that displays dispersion.  (Dispersion is the rainbow flashes-like inside diamonds)

Zircon rates a 6 to 71/2 on the Mohs hardness scale, and most of it is heat treated to enhance the natural color.  Be careful, zircon will usually show wear at the facet junctions, so avoid “rough wear.”


1 Comment »

  1. […] here to read the rest: December Birthstone: Blue Zircon « Rosediamonds's Blog By admin | category: gold birthstone | tags: birthstone, custom-jewelry, deals, glass-too, […]

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