Gem-boulder-Opale

Opal Identification

  GEMMOLOGICAL LABORATORY FACT SHEET Chemical composition of Opal: Si0 2nH 20 – Hydrated Silica. • Water content in Precious Opal 3-10%. • Water content…

Magazines Catalogues

Magazines & Catalogues

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…

Opal Quiz

The colours and patterns seen in opal are known as Opalescence.FALSE
‘Play of colour’ is the correct term for the iridescent effect and rainbow colours seen in Opal. Opalescence is correctly applied to the milky effect seen in common opal or potch, moonstone or opal-glass. It is due to the scattering of light by small particles within the stone.

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By Royal Appointment

Louis XVI (1754-1793) wore an Opal finger-ring befitting the illustriously luxuriant Court he held with his Queen at Versailles. Indeed Marie Antoinette owned a famous flame Opal known as the ‘Forest Fire’. 

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Queen of Gems

Due to its exceptionality Opal has always been well represented in private collections around the globe. The mysterious ‘Queen of Gemstones’ is synonymous with graceful power, beauty and rarity.

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Mintabie Documentary

Mintabie Rough ‘This South Australian outback town offers the promise of opal and much more’. A Film by Al Lad, 2011.

Gallery

The Widgetkit Gallery provides a smart and automated way to publish images on your website. You only need to select the image folders and the … Read more

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Queensland Documentaries

Romancing_stoneRomancing the Stone

‘From Cinderella to Waltzing Matilda’ – A Snapshot of the Opal Industry in Queensland.

Launched in 2010 as a 2 part DVD documentary exploring the history of the small, independent Opal fossickers and sapphire miners along the Tropic of Capricorn and the building of a heritage tourism industry.

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