GEMMOLOGICAL LABORATORY FACT SHEET Chemical composition of Opal: Si0 2nH 20 – Hydrated Silica. • Water content in Precious Opal 3-10%. • Water content…
100 YEARS OF PASSION FOR GROSSE & BIJOUX CHRISTIAN DIOR, Vivienne Becker (et al.), 2010. 500 BRACELETS, Marthe LeVan, 2005. 500 EARRINGS, Marthe LeVan, 2007….
AUSTRALIAN NATURAL HISTORY, The Australian Museum-Quarterly, 1963. AUSTRALIAN NATURAL HISTORY, Opal Fossils; Flashes From Lightning Ridge, by Alex Ritchie, Vol.21 No.9, 1985. AUSTRALIAN NATURAL HISTORY, Sea…
A CENTURY PLUS OF OPAL PUBLICATIONS, Hans E.R. de Boer, 1994. A CLOSE CALL AT YOWAH, Herman Kreller, 1998. A FIELD GUIDE TO AUSTRALIAN OPAL,…
J.K. Rowling‘s highly acclaimed Harry Potter series mentions Opal four times: 1). Harry sees the cursed necklace that has killed 19 muggles in Borgin and Burkes in … Read more
During the reign of Queen Elizabeth I it was written: “Optallio is called Oppalus also, and this stone bredeth in Inde and is deemed to … Read more
A Guiding Light in an Age of Darkness In Medieval times the mendicant orders, particularly Dominican and Franciscan monks were enthusiastic about ‘lithotherapy’ or the … Read more
Definition: Opal n. an amorphous form of hydrated silicon dioxide that can be of almost any colour. It is used as a gemstone. [from Greek … Read more
Stories handed down by elder storytellers forms the basis of Aboriginal culture. Australia’s native culture spans 60,000 years of civilization and encompasses 250 nations.
Stories handed down by elder storytellers forms the basis of Aboriginal culture. Australia’s native culture spans 60,000 years of civilization and encompasses 250 nations.
The Romans were great lovers of Opal and regarded the gems as good luck pieces. Many Roman generals carried Opal-tipped staves to their campaigns to … Read more
National Geographic goes to Coober Pedy Travel Channel goes to Coober Pedy Hector meets Crocodile Harry Opal Fever
