Opal Identification
GEMMOLOGICAL LABORATORY FACT SHEET Chemical composition of Opal: Si0 2nH 20 – Hydrated Silica. • Water content in Precious Opal 3-10%. • Water content…
Cutting & Polishing Opal
The Lapidary Process: A Step by Step Guide to Cutting Queensland Boulder Opal Cutting: Pleasure, Value Adding or Profession ? Opal cutting is … Read more
Choosing your Opal
Regardless of its monetary value, each piece of Opal is different and has its own personality and appeal. Your choice of Opal is a reflection … Read more
Caring for Opal
Treat Opal with care as you would any precious gem or investment; avoid heavy blows, abrasives, harsh chemicals and extreme heat. Although you probably would … Read more
Birthstone of October
Mystical – April Hindu – March Sun Sign (Star Sign) – ‘The Water Bearer’ Sun Sign (Star Sign) – ‘The Lion’ Opal is … Read more
Australia’s National Gemstone
Opal was proclaimed Australia’s National Gemstone by Governor General Bill Hayden on the 27th of July 1993. Opal is a fitting symbol of a spirited … Read more
Opalton – The Great Opal Rush
Compiled by Ron McKenzie Author of ‘Sweat, Tears and Blood Red Opal’. The following timeline is chronicled from articles in various newspapers and from records … Read more
Opal der Phänomenstein
The Phenomenal Gemstone Durch Beugung des Lichtes an den gitterartigen Kugelpackungen, aus denen der Opal aufgebaut ist, entsteht sein auserlesenes, buntgeflecktes Flammenspiel. Die Ercheinung ist … Read more
American Collections
When Black Opal was discovered in 1903 nothing like it had been seen before….the Lightning Ridge gems were so strikingly beautiful they took the world … Read more
Eastern Collections
Since ancient times the most luxurious and beauteous decorative arts and adornments have been attributed to the Persian Empire. To this day the most magnificent … Read more