What is opal ? What type of character does it have ? Let's start learning about opal.
Why opal has colour ? why each stone has different colours and patterns ? More detail about opal.
How to select the right opal without mistake.
Is this opal solid ? The easy way to distinguish between solid opal and non solid.
What is good opal in terms of body tone, brilliance, colour range, pattern, shape and so on.
Lightning Ridge - Black Opal Town
The history of Black Opal and how its been mining at Lightning Ridge.
Opal mining in Queensland opal fields.
Some points to care opal for enjoying this beautiful gemstone for life time.
